Investment Team 

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Valli Srikanthapalan
Research Analyst

Valli is an experienced Equity Analyst and Fund Manager, specialising in European Consumer Goods and Emerging Markets. She worked for AllianceBernstein between 2000 and 2009, where she managed the consumer sleeve of the International Research Growth Fund and covered Consumer Staples and Luxury Goods. Prior to that she worked for Gartmore as a Research Analyst covering Emerging Markets. Valli has been awarded Institutional Investor Best of the Buyside and number 1 ranking in Thomson Extel survey in her field. Valli has a BSc in Accounting and Finance from the London School of Economics.

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Jonathan Cheah
Research Associate

Jonathan joined Trinetra in 2021 having completed an MSc in Finance with Banking at the University of Bath School of Management. While studying, he created a financial blog that focused on thematic investment opportunities. He grew up in Singapore and Hong Kong, where he developed a strong interest in Asian consumer companies that drive social and digital transformation. Jonathan played rugby for the Hong Kong Under 18s and Under 20s teams.

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Stephanie Winterhagen
Chief Compliance Officer

Stephanie joined Trinetra as a Compliance Officer in January 2022. She formerly worked as a Compliance Officer at Stafford Capital Partners, a global mid-sized real asset manager, specialising in sustainable and responsible investing.

From 2016 to 2021, Stephanie was employed as a Senior Compliance Analyst at AllianceBernstein covering a variety of asset classes and countries across EMEA. Stephanie started her financial services career in 1998 at Pall Mall Partners, a small investment management boutique specialising in European high yield bonds and venture capital. During her time at Pall Mall, she held various roles including Head of Compliance and MLRO of the venture capital business. Other roles include fund operations and marketing manager.

Stephanie holds a BA/MA in English and Economics from the University of Kassel, Germany.  

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Sebastian Kadritzke
Director, Client Relations
& Engagement

Sebastian is a former journalist with two decades of experience in financial services communications. Most recently he headed the Public Relations team at IHS Markit where he built the company’s cross business line thought leadership profile and oversaw external communications for the firm’s $140 bn merger with S&P Global.

He previously headed communications for AllianceBernstein in EMEA, having held similar roles at various commercial insurance and life insurance companies in London.

He started his career as a financial journalist at Bloomberg TV and CNBC Europe and holds an MA in Communications from the University of Leeds.

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Tassos Stassopoulos
Managing Partner
Chief Investment Officer

Tassos founded Trinetra in 2016 as a small, dedicated investment boutique using ethnographic research to capture growth opportunities in emerging markets.

Prior to that he was Head of EM Growth Equity at Ashmore which he joined after nine years at AllianceBernstein where he was Portfolio Manager for Emerging Consumer, Global Growth and Thematic equity products.

He was previously a Managing Director at Credit Suisse - for six years he was the senior analyst for European travel and leisure, twice ranked #1 in the Institutional Investor survey, and then he was a Portfolio Manager for a year at the firm's internal hedge fund, Modal Capital.

He also spent eight years as a Chartered Accountant and then as a management consultant at Arthur Andersen. Tassos holds an MA in Economics from Cambridge University and is a Fellow of the Institute of Chartered Accountants.

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Andy Reiss
Partner,
Research Analyst

Andy has over two decades of experience in research.  He was a Director of Research at AllianceBernstein in New York, focusing on the impact of major strategic shifts, including those caused by disruptive technologies.

Before that he covered consumer and TMT sectors as a senior equity analyst in London, having started his investment career at AXA Investment Managers. His sector focus included telecommunications, airlines, leisure and retail. He was awarded Institutional Investor Best of the Buyside and achieved a number 1 ranking in the Thomson Extel survey.

In 2012 he became a Deputy Director in the UK Civil Service, where he advised the Cabinet Office and HM Treasury on economic policy. He then co-founded advisory firm Fingleton, providing strategic advice on competition and regulatory issues to CEOs and government departments. Andy has a BA and MA in Zoology from Oxford University.

Operations Team