Our team

Leadership

Introducing our people who oversee the day to day running of ISTARI

Rashmy Chatterjee

CEO

Rashmy Chatterjee

CEO

Rashmy is the CEO of ISTARI - the Global Cybersecurity platform established by Temasek to help clients manage their digital risk in times of rapid digitalisation. It harnesses the collective power of the world’s leading cybersecurity companies, people and knowledge to work alongside clients to secure their business growth and earn digital trust.

Rashmy has held a number of global sales and marketing leadership roles in her career. She spent over two decades at IBM, where her most recent positions included global sales leader for IBM Security and Chief Marketing Officer for IBM NA. Prior to IBM, Rashmy served in the Indian Navy as the Deputy Director of Naval Design. She was the first female engineer to join the Navy and was commended by the President of India for her work in establishing the Indian Naval CAD/CAM centre.

Rashmy is passionate about building a culture of long-term client relationships and developing talent. She is an advocate for women in technology and sits on a number of boards. She is also a Fellow of the International Marketing Academy.

Rashmy graduated from the Indian Institute of Technology, Kharagpur. She and her husband live in London.

Amit Jasuja

Chief Portfolio Officer

Amit Jasuja

Chief Portfolio Officer

Amit is responsible for the development and value creation across ISTARI's portfolio of companies.

A technology executive with over three decades of experience in security leadership roles in companies like Oracle and Symantec, Amit was most recently CEO of a digital identity startup Trusted Key, which was acquired by Workday Inc.

Amit plays a major role in aiding our strategy towards creating value for our clients through our portfolio of companies and partnerships.

Lou Baran

Chief People Officer

Lou Baran

Chief People Officer

Lou is Chief People Officer for ISTARI and her role encompasses the full remit of strategic and operational people matters. Lou is also Talent Adviser for our portfolio companies.

Prior to ISTARI, Lou has had 30 years of experience in HR, including 9 years as a management consultant. Prior companies include Hg Capital, Actis Capital, Thomson Reuters, Microsoft, Hay Management (now Korn Ferry) and Ashurst.

Over the course of her career, Lou has held a variety of roles in HR, both generalist and specialist and in a variety of organisational contexts, in particular restructurings and mergers and acquisitions. She has considerable international experience through global roles and also having worked in Asia for 9 years, Australia and the United Kingdom.

Lou holds a Bachelor of Business (major in Information Technology) from Victoria University, Australia.

JC Broido

Managing Director, Asia Pacific and Japan

JC Broido

Managing Director, Asia Pacific and Japan

Jean-Claude (JC) Broido is ISTARI's Managing Director of Asia Pacific and Japan where he is responsible for ISTARI's Operations in the region.

JC has 30+ years of experience in Information and Cyber Security Technology during which he has advised many clients on technology led transformations, business resiliency and cyber security risks. Prior to joining ISTARI, JC held a number of roles at IBM, including Vice President of IBM Security, Asia Pacific, and Vice President Business Development for Cloud and Cognitive Solutions. Before IBM, JC spent 5 years in Tokyo as President of McAfee Japan.

JC received a Masters of Finance Degree from the London Business School and an Electronics Engineering Diploma from ENSICAEN.

Pierre Noel

Managing Director, EMEA

Pierre Noel

Managing Director, EMEA

Pierre is ISTARI's Managing Director of EMEA, responsible for operations in the region.

Pierre has over 30 years of international experience in Information Security, Data Privacy, and Enterprise Risk Management, during which he designed, built and operated complete Security environments for Governments and large conglomerates across industries. Pierre's prior roles include the Chief Security Officer for Microsoft Asia, and the Chief Security & Privacy Officer at Huawei Worldwide.

Pierre is in charge of the nation-wide Swiss Finance Service cybersecurity information sharing program and sits on the board of several established Fortune 200 companies and start-up organizations in the field of CyberSecurity and Privacy.

Abel Archundia

Managing Director, Global Life Sciences & Industrials

Abel Archundia

Managing Director, Global Life Sciences & Industrials

Abel joined ISTARI in October 2020 as Managing Director, Life Sciences and Industrials. ISTARI is a Temasek platform company focused on helping the best companies in the world manage down digital risk.

At Bayer, Abel was head of IT and Digital Transformation for Bayer Pharma Division since 2017, and member of Bayer Group IT Board. Before joining Bayer, Abel was Global CIO, Sandoz, a Novartis Division (2012-17) as well as head of IT for Novartis Technical Operations (~85 plants) looking after manufacturing, supply chain and quality. He was a member of the Novartis IT Board.

Past positions include Cemex (CIO EMEA), Dell (General Manager, Mexico) and Boston Consulting Group (Principal, Monterrey and Dallas offices). He holds a degree in electronics engineering from Tec de Monterrey, Mexico, and an MBA and Public Management degree from Stanford Graduate School of Business.

Joe Hubback

Client Director, Northern Europe

Joe Hubback

Client Director, Northern Europe

Joe Hubback is our Client Director for Northern Europe. Joe has a broad background including McKinsey (where he was a partner and co-led the creation of their cybersecurity service line), as a published independent cybersecurity analyst and also in corporate leadership (as MD for North West Europe in Keller running a full P&L). He started his career in the industrial sector as an engineer designing and installing electronic control and robotics systems.

Mark Malecki

Chief Information Security Officer

Mark Malecki

Chief Information Security Officer

Mark Malecki is ISTARI's Chief Information Security Officer.

Prior to joining ISTARI, Mark held the position of CISO at McKinsey, where he also supported client engagements relating to cyber security matters. He has also held the position of CISO at QuantumBlack, a McKinsey owned company, and CISO at dunnhumby running their global security programme. He has worked in cyber security for over 20 years.

Mark graduated from the University of Royal Holloway with a Masters in Secure Electronic Commerce and a BSc in Psychology.

He will be working from our London office. Mark lives in West Oxfordshire, in the quintessentially english Cotswolds, with his wife and three children.

Reuben Low

Head of Strategy and M&A

Reuben Low

Head of Strategy and M&A

Reuben is ISTARI's Head of M&A and Strategy, in charge of all ISTARI investments and portfolio management.

Reuben joined the Enterprise Development Group of Temasek in Nov 2015 and is currently on secondment from Temasek. During his time at the firm, he focused on M&A and value creation initiatives across a range of sectors including business services, energy, cyber security and Australia/New Zealand investments.

Prior to joining Temasek, he worked at Lazard in investment banking, and gained significant M&A transaction experience in Lazard’s Sydney, Melbourne and Singapore offices.

Reuben has an MBA from the University of Oxford and a BSc in Economics from the University of Queensland.

Team Tan

Chief of Staff

Team Tan

Chief of Staff

Team is ISTARI's Chief of Staff, overseeing and supporting the execution of various workstreams within the company.

Team joined the Enterprise Development Group of Temasek in Jul 2015 and is currently on secondment from Temasek. During his time at the firm, Team has worked on investments and value creation initiatives for Temasek's existing portfolio companies, covering industries such as cyber security, business services, energy, and Australia & New Zealand.

Team has a BSc in International Management from the University of Warwick.

Maureen McGuire

Advisor

Andy France

Advisor

Andy France

Advisor

Andrew is the Co-founder and Director of Prevalent.AI, and acts as an advisor to ISTARI.

Andrew's 30-year career at GCHQ culminated in the role of Deputy Director for Cyber Defence Operations. This included leading the UK's national cyber defence strategy, with responsibility for both policy and operations.

He went on to become the co-founder and CEO of DarkTrace and a co-founder of Cognevo, and is currently a strategic advisor to global banks, multinationals, threat intel providers and security startups.

David Fairman

Advisor

David Fairman

Advisor

David Fairman is an experienced CSO/CISO, strategic advisory, investor and coach. He acts as an advisor to ISTARI.

David has extensive experience in the global financial services sector. At NAB, David was the Chief Security Officer (CSO) owning all aspects of Physical Security, Fraud, Investigations and Cyber Security. Prior to NAB, he was the Group Chief Information Security Officer (CISO) for the Royal Bank of Canada. David has been a senior leader at JP Morgan Chase & Co as Deputy Technology Controls Officer and Global Head of Technology Risk and Control. David has also held several senior roles at the Royal Bank of Scotland (RBS), including CISO RBS Americas and Head of Information Security EMEA.

Muthukrishnan Ramaswami

Advisor

Muthukrishnan Ramaswami

Advisor

Muthukrishnan Ramaswami is a Finance, Technology and Operations professional with over 35 years of international management experience, including roles as President-Singapore Exchange (Singapore), Chief Information Office – CITI International Consumer Banking (New York) and Head of Operations & Technology – CITI Transaction Banking Service (London, Singapore & Hong Kong). He has deep expertise in Finance, Technology, Operations, Transaction and Consumer Banking and the harnessing of new and emerging technologies for digitalisation of business services. He acts as an advisor to ISTARI.

Michael Diekmann

Advisor

Michael Diekmann

Advisor

Michael Diekmann is currently Chairman of the Supervisory Board of Allianz SE, having served as Chairman of the Board of Management and CEO from 2003 to 2015. He is also Vice Chairman of the Supervisory Board of Fresenius SE & Co. KGaA, and a member of the Supervisory Board of Siemens AG.

Mr. Diekmann currently serves as Chairman of the International Business Leaders Advisory Council for the Mayor of Shanghai (IBLAC), is a member of the Temasek European Advisory Panel, a member of ISTARI Global’s Advisory Board, a member of the International Advisory Committee of the SINO CCE Fund of SINO-CEEF Capital Management Company Ltd., and a member of the International Advisory Group of Linklaters LLP. He also is a mentor at the Chairman Mentors International Ltd (CMI).

Starting 1988 Mr. Diekmann held various management and board positions within Allianz with responsibilities for Asia Pacific, Eastern Europe, Middle East, Africa and the Americas. He studied law and philosophy at Georg-August-University in Göttingen, Germany, and graduated in 1982.

Mr. Diekmann is based in Munich.

Platform company and VC CEOs

Explore the companies in our network and meet their leaders.

Shachar Levy

Sygnia

Shachar Levy

Sygnia

Shachar has over 25 years of experience in strategy, cyber, research and business leadership in government and the private sector. He founded Sygnia in 2015. Shachar holds a Bachelor's degree from Tel Aviv University and Master's degrees from Harvard University and from Bar Ilan University (summa cum laude). He advises executive managements and boards in building their security and works with them in leading through cyber crisis situations. Shachar regularly speaks at professional forums on the challenges and opportunities of cyber and digital transformation.

Tammie Tham

Ensign InfoSecurity

Tammie Tham

Ensign InfoSecurity

Tammie Tham is the Group CEO of Ensign InfoSecurity (Ensign), Asia's largest pure-play cybersecurity services firm.

Tammie is an industry veteran with many years of experience in the cybersecurity field. Prior to Ensign, she was the Chief Executive Officer and Founder of Accel Systems & Technologies (Accel), a cybersecurity systems integrator.

Tammie has extensive experience running cyber businesses across the ASEAN region. She previously led the APAC Cyber Security Business at BT Frontline, a subsidiary of BT Global Services, where she was responsible for expanding its cyber business in ASEAN and building a footprint in Asia Pacific. Before that, Tammie was leading the ASEAN Security Practice at IBM.

Tammie is on the executive committee of SGTech, Singapore’s premiere infocomm industry association. She also sits on the Board of MediaCorp and the Singapore Institute of Technology. She is the Co-chair of the Cyber Security Agency's Cyber Security Awareness Alliance, which aims to enhance awareness and promote adoption of essential cybersecurity practices.

Jim Rosenthal

BlueVoyant

Jim Rosenthal

BlueVoyant

Jim Rosenthal is Co-Founder and Chief Executive Officer of BlueVoyant.

He was the Chief Operating Officer of Morgan Stanley until 2017. At Morgan Stanley, he was responsible to the CEO and the Board of Directors for Cybersecurity. Jim is the recipient of the 2017 Critical Infrastructure Protection Award from the Financial Services Information Sharing and Analysis Center.

He was the Co-Founder and Co-Chairman of Sheltered Harbor, a consortium of the major banks, securities firms, industry associations, and technology service providers with the mission of preserving systemic confidence in the US financial system in the event of a cyberattack. He is the past Chairman of the Securities Industry and Financial Markets Association (SIFMA) where he founded and chaired its Cybersecurity Committee from 2014-2017.

Antony Ng

D'Crypt

Antony Ng

D'Crypt

Antony Ng is the co-founder and CEO of D'Crypt Pte Ltd, building high security assurance technologies and products for discerning military, government, institutional, and worldwide MNC clients. D'Crypt was acquired by Temasek International in 2019.

Prior to D'Crypt, Antony spent 9 years at DSO National Laboratories as its first Distinguished Member of Technical Staff and Head of R&D in Advanced Electronics and Signal Processing. He is the winner of 1998's Defence Technology Prize. Antony was also an Adjunct Lecturer at NUS, where he helped to start the Computational Science Programme in the Faculty of Science. Antony obtained his Ph.D. in Electrical Engineering and Computer Science from the University of California, Berkeley in 1991. He received Berkeley’s Outstanding Graduate Student Instructor award in 1988, an AT&T Postgraduate Scholarship, and a UC Regents Fellowship, as well as an NCB Undergraduate Scholarship.

Yaniv Vardi

CEO, Claroty

Yaniv Vardi

CEO, Claroty

Yaniv Vardi is a dynamic and highly accomplished entrepreneur with more than two decades of global executive leadership experience. He has established a long-standing and impressive track record of developing and executing global business strategies and directing worldwide growth. As Claroty’s Chief Executive Officer, Vardi will lead the company through its next stage of growth and solidify its position as the leader in OT security. Prior to joining Claroty, he recently served as the Global Managing Director of Centrica Business Solutions, International, managing 8 countries and expanding the company’s proposition mainly in Europe, South America, and Asia Pacific into a significant business.

Prior to joining Centrica, Vardi was the CEO of Panoramic Power, a global pioneer in energy management solutions for global C&I customers, which was acquired by Centrica. Prior to joining Panoramic Power, Vardi was Co-founder and Managing Director of Sparta Systems EMEA, successfully driving its operations to be the leading provider of QMS in the Life Science industry, and leading the company to a successful acquisition. Based on his wealth of experience, Vardi brings vital knowledge of operational direction and strategies as a board director and chairman in different companies in Israel, Europe, and the United States.

Vardi graduated Magna Cum Laude from the New Jersey Institute of Technology majoring in Industrial and Management Engineering and Management of Information Systems and served in the Israeli Air Force for five years.

General Keith Alexander

IronNet

General Keith Alexander

IronNet

GEN Keith Alexander (Ret.), Founder, Chairman & Co-CEO of IronNet Cybersecurity, is one of the foremost authorities on cybersecurity in the world. A four-star Army general, GEN Alexander was previously the highest-ranked military official of USCYBERCOM, NSA/CSS, where he led these DoD agencies during the conflicts in Afghanistan and Iraq when attempted cyber attacks against the U.S. were on the rise.

In recognition of cyber's increasing importance, President Barack Obama and Defense Secretary Robert Gates appointed GEN Alexander as the first commander of USCYBERCOM, a newly created military institution charged with defending the nation’s security in cyberspace against sophisticated cyber threats to businesses and government operations in an increasingly interconnected world.

A leader with vision and a pragmatic approach to tackling the ever-changing cyber threat landscape, GEN Alexander built IronNet to bring this knowledge and experience to the private sector and fill in a critical gap between cyber threats and available security technology. IronNet provides best-in-class cyber defense based on complex behavioral modeling, big-data analytics and advanced computing capability.

Yevgeny Dibrov

Armis

Yevgeny Dibrov

Armis

Yevgeny is the Co-Founder and CEO of Armis.

Yevgeny drives the vision and execution of Armis, where he has assembled a team of top-tier leaders across the sales, marketing, product, and customer success teams. His mantra is partnership, as he looks to build long lasting relationships with Armis' customers.

Before Armis, he ran global sales and business development for Adallom, a cloud security company which was acquired by Microsoft. He served the Israeli Defense Force, specifically in cyber security Unit 8200, where he met Armis CTO & Co-Founder Nadir Izrael.

Yevgeny graduated at the top of his class from Technion, the top technical university in Israel, with a BS in Computer Engineering.

Mark Hatfield

TenEleven Founder and General Partner

Mark Hatfield

TenEleven Founder and General Partner

Mark has led investments in early stage technology companies in a variety of roles since 2003 and has developed a particular passion for security, driven by the size and significance of the problem.

Most recently Mark was a partner at Fairhaven Capital where he led investments in Cylance, CounterTack, Celtra, and Trust Digital (acquired by McAfee). He also served as a board member of Co3 Systems and Digital Guardian.

Prior to Fairhaven Capital, Mark was a Managing Director for Motorola Ventures, and ran the West Coast Operations in Sunnyvale. There he led investments in Danger (acquired by Microsoft), Foundstone (acquired by McAfee), Lumidigm (acquired by HID Global), SkyBitz (acquired by Telular) and Mesh Networks (acquired by Motorola).

Mark received his MBA from York University and earned a Bachelor's degree from McMaster University in Canada.

Alex Doll

TenEleven Founder and General Partner

Alex Doll

TenEleven Founder and General Partner

Alex is the Founder of Ten Eleven Ventures, the industry’s original venture capital fund that is focused solely on investing in digital security. Underneath the digital security umbrella, the firm invests globally and is stage agnostic, working as KKR’s joint investment alliance partner for stages growth and later. Since its founding in 2015, Ten Eleven Ventures has raised nearly $500M, invested in 23 leading cybersecurity companies and achieved 6 exits in Ping Identity (Vista), Hexadite (Microsoft), Cylance (BlackBerry), Twistlock (Palo Alto Networks), Verodin (FireEye), and Jask (Sumo Logic).

Alex received his MBA from Stanford's Graduate School of Business and graduated cum laude from the University of Pennsylvania's Management & Technology program with a B.S. in Systems Engineering from the Moore School and a B.S. in Finance from the Wharton School.

Jay Leek

ClearSky Managing Director

Jay Leek

ClearSky Managing Director

Jay Leek, CISM, CISA, CISSP, is a Managing Partner and Co-founder of ClearSky Security, and leading venture fund focused on investing in early- and growth-stage security companies. He also consults with Blackstone on various areas of cyber security strategy and investing, and he is currently co-leading Blackstone’s portfolio company CISO community. Prior to joining ClearSky, Leek was the Chief Information Security Officer for Blackstone, where he also worked with their information security investments and portfolio companies. Over the past 20 years, Leek built and headed up global information risk and security programs for Equifax and Nokia and also worked as a Product Manager as well as a Consultant to telecom companies, government agencies and financial institutions assisting them with strategic planning and architectural design required to meet their information risk and security objectives.

Yuval Shachar

Team8 Partner and Executive Chairman

Yuval Shachar

Team8 Partner and Executive Chairman

Yuval is a Partner and Executive Chairman of Team8, where he provides overall business leadership to the Group. As an "investorpreneur", Yuval provides guidance and mentoring to a broad range of founding teams and is involved as a co-founder, board member or investor in a broad portfolio of companies. In his previous role, Yuval was the co-founder and General Partner of New York/Israel based venture capital firm Marker-LLC, as well as the investment partner of Eric Schmidt-backed Silicon-Valley/Israel based Innovation Endeavors (merged with Marker). In these capacities Yuval sourced/led early stage investments in companies such as Team8, Aorato (Microsoft), Datorama (Salesforce), Eko, OwnBackup, Qwilt (co-founder, chairman), Taboola, Tufin (NYSE: TUFN), Unbound (chairman), Yotpo, and others.

Yuval has a BSc in Math and Computer Science from Tel Aviv University, holds a variety of patents and has contributed to a variety of telecommunications standards.

Board

Meet our board of directors, who guide the vision and direction of ISTARI.

Tom Glocer

Chairman

Tom Glocer

Chairman

Tom Glocer was the former CEO of Thomson Reuters between 2001 and 2011. He had initially joined the firm in 1993 and held a number of senior leadership positions at Reuters, including President of Latin America and President of America. Before joining Reuters he had worked as a merger and acquisitions lawyer for the American law firm Davis Polk & Wardwell in New York, Paris and Tokyo.

Tom is a director of Merck & Co., Morgan Stanley and Publicis Groupe; a member and former director of the Council on Foreign Relations, and US think tank specializing in US foreign policy and international affairs.

Tom holds a bachelor's degree in political science from Columbia University and a J.D. from Yale Law School.

Nadav Zafrir

Vice-Chairman

Nadav Zafrir

Vice-Chairman

Nadav Zafrir is a Founding Partner of Team8. Nadav is focused on driving global growth for Team8 and is the architect of Team8's relationships across the business, academic and technology worlds. Nadav's experience has positioned him well to help define the opportunities and challenges in today's technology marketplace. Prior to founding Team8, he served as Commander of Unit 8200, Israel's elite military technology unit, where he established the Israel Defense Force's Cyber Command. Unit 8200 is recognized as the informal talent incubator for the nation’s renowned tech industry. Nadav travels the world widely, advising Fortune 500 companies, C-suite executives and boards on the critical role of cyber as an integral part of digital transformation. Nadav holds an LLB from the Herzliya Interdisciplinary Centre and an MBA from the Kellogg-Recanati International Executive MBA program at Tel Aviv University.

Chia Song Hwee

Director

Chia Song Hwee

Director

Song Hwee is the Deputy CEO of Temasek International. Prior to this, he was the Chief Operating Officer at GLOBALFOUNDRIES which has integrated with Chartered Semiconductor Manufacturing.

Before the integration, Song Hwee served as Director of the Board, and President and CEO of Chartered from 2002 to 2009. He has also held various senior management positions at Chartered, which he joined in 1996.

Mel Immergut

Director

Mel Immergut

Director

Mel Immergut is the former Chairman of Milbank, Tweed, Hadley & McCloy LLP, having

served in the role from 1995 to 2013. He was a partner in the firm's Corporate Group beginning in 1980 specializing in corporate governance, board advisory and transactional work, including M&A transactions, financing transactions and leveraged leasing.

Mr. Immergut is currently a senior advisor to Palo Alto based venture capital firm Innovation

Endeavors LLC and to Paris based investment firm Wendel. He is also an adjunct professor and adjunct senior research scholar for National Security Law at Columbia Law School. He is also a senior advisor to IHS Towers. Mr. Immergut is a member of the board of directors of ISTARI, the holding company of cyber assets of Temasek, the sovereign wealth fund of Singapore, as well as the board of directors of Crisis Prevention Institute. He is also a senior advisor to Team8 cyber security and Sygnia cyber consulting.

Yeoh KC

Director

Yeoh KC

Director

KC is a Senior Managing Director at Temasek International. Prior to Temasek, KC was Managing Director of the Singapore Economic Development Board (EDB). He was with the EDB for over 23 years, overseeing divisions including Biomedical Sciences, Infocommunications & Media, Electronics and Americas.