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Board of Directors

John Latsis

Chairman

John is the Chair of Gestron Asset Management. He also sits on the Board of Directors of a number of listed and private companies active in financial services, healthcare and real estate. He holds a BA from the University of Oxford, an MSc from the London School of Economics and a PhD from the University of Cambridge. John is a member of the Higher Education Academy of the United Kingdom and has held academic positions at the Universities of Reading, Oxford and Harvard.

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Evgenia Paizi

Director

Jenny is Group Investment Officer at the SETE Family Office in Geneva. She joined the Latsis Group in 2001 and is involved in business development for the Group's activities in healthcare, asset management and other investments in Europe and the Middle East. She holds an MBA from INSEAD (2000) and a Bachelor of Science in Operations Research and Marketing from the Athens University of Economics and Business.

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Emmanuel Bussetil

Director

Manny joined the Latsis group of companies in 1982 as Chief Internal Auditor and, since then, he has held several executive and non-executive positions for other principal commercial holding and operating companies controlled by Latsis Family Interests. Prior to that, he was an Audit Manager at Pricewaterhouse in the United Kingdom, where he was employed from 1976 to 1982. He is a Fellow of the Institute of Chartered Accountants of England and Wales.

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Jean-Louis de Potesta

Director

Jean-Louis is a member of the board of directors of Gestron Asset Management and also an active member in a number of Boards of Directors. He holds an MBA from the University of Boston.

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Konstantinos Tsiveriotis

Managing Director

Kostas has 30+ years Global Markets experience with emphasis on proprietary trading, modeling and trading of derivatives, liability management solutions, Treasury management and Private Banking. He has held senior positions on Wall Street, and European Sovereign Debt management and Banking institutions, and was the CEO of a Luxembourg private bank for 8 years before joining Gestron. He holds a PhD from MIT with research focus on nonlinear dynamics and supercomputing.

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Private Markets

Sanjoy Sankaran

CIO

Sanjoy joined the team with 13 years of private equity and investing experience, most recently working for Hermes GPE in NYC, USA. Sanjoy holds an MBA from the University of Oxford and a Bachelor of Engineering (Information Technology) from the University of Mumbai in India.

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Jessica Marie Ricci

Executive Assistant

Jessica is a highly experienced executive assistant with over 13 years of experience under her professional career. She achieved her bachelor's degree in business administration from the University of Nevada, Las Vegas (UNLV) and has been utilizing her skills in a range of different sectors, from finance to tax accounting and human resources. Since relocating to Luxembourg in 2015, she has been proud to serve as an executive assistant for CEO’s and Partners in the financial sector.

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George Critchley

Investment Manager

Investment Manager across the firm’s private markets primaries and co-investment strategies. Completed 40+ co-investments since joining Gestron in early 2019 following 5 years Banking experience in London.

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Jay Studinski

Portfolio Analytics

Jay joined Gestron in 2018 with over six years of experience. He works in the Investment Team, leading portfolio data and analytics. Jay holds a Bachelor's Degree in Mechanical Engineering.

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Tilal Mohammed

Investment Analyst

Tilal joined the team in 2023 following 2 years in Goldman Sachs’ Sales & Trading division where he focused on publicly traded equity and credit. Tilal holds a BSc in Chemistry from University College London (UCL).

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Christos Petridis

Investment Analyst

Christos joined the team in 2023 following 3 years in equity research and investment banking in London where he was covering publicly traded companies across different industry sectors, with a focus on Greece, as well as advising both listed and non-listed companies on capital markets transactions. Christos holds a BSc/MSc in Electrical & Computer Engineering from the Technical University of Crete in Greece and a MSc in Mathematical Trading & Finance from Bayes Business School (formerly Cass) in London.

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Public Markets

Stéphane Lellis

CIO

Stephane is CIO & Chairman of the Capital Markets Investment Committee at Gestron.
Over the past 20+ years, Stephane has held senior positions in investment banking, hedge funds and family offices, managing single asset and hybrid strategies and providing dedicated investment solutions (alternatives and derivatives).
He holds a M.Sc. from ENSAE ParisTech and a M.Phil in Mathematical Economics and Econometrics from Pantheon-Sorbonne University in Paris.

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Julien Rabier

Portfolio Manager

Julien joined Gestron in 2023 after working for 10+ years in two major French investment banks on equity derivatives and securities finance.
He specializes in equities, model implementation and process automation.
Julien holds a M.Sc. from the Pierre and Marie Curie University in Paris.

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Venture Capital

Alex Spiro Latsis

CIO

Entrepreneur with a background in tech, publishing, media and licensing with deep networks across education, entertainment, publishing and mobile software.

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Ben Wirz

Deputy CIO

Edtech & media focused VC since 2010, prior to that led business development and strategy for startups for 10 years.

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Operations

William Sayavongsa

Head of Operations

William ran the consulting and project management businesses in Luxembourg for a leading software provider dedicated to the asset management industry. Before that, he worked 10 years as operations and project manager for an asset manager in Switzerland.

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Charles Benoît N'gom

Middle Office and Operations administrator

Charles joined Gestron in 2023 with 1.5 years of experience in the financial sector after graduating. He holds an Associate degree in Accounting & Management from l’Institut Catholique Supérieur de Saint André, a BA(Hons) in Global Business from Coventry and a MBA in Global Business from Coventry University London

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Legal

Virginie Vallet

General Counsel

French qualified lawyer who acted as legal counsel in a single family office for 9 years. Virginie specializes in corporate matters and cross-border investments including investment fund structures in various areas such as infrastructure, real estate, private equity, private credit, healthcare and yachting.

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Marine Krief

Legal Counsel

Legal Counsel with a background in Private Equity/Real Estate (structuring, formation and financing of private equity/credit and real estate investments). Marine was admitted to practice in New York, Paris and Luxembourg.

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Justas Vysniauskas

Legal Officer

Justas joined Gestron in 2023 with 4 years of experience in Corporate Secretarial services in Luxembourg. Justas holds a Bachelor’s Degree in Law and a Master’s Degree in International Law.

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Finance & Risk

David Barrett

CFO

UK qualified Finance Executive with 30+ years’ experience working within the financial services, funds and family office sectors in Luxembourg, Switzerland and the UK.

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Aurore Baradello

Risk Manager

18 years’ experience in fund accounting and administration. Joined Gestron AM in May 2022 as Financial & Risk Manager.

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Nelia Santos

Accounting Manager

Chartered accountant with 20 + years experience in accounting and corporate for Luxembourg operational companies and family businesses.

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Office Management

Vita Rotolo

Office Manager

Office Manager with over 20 years of experience in Office management, Organization and Administrative support for financial companies based in Luxembourg.

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