Our Team

Our team leverages decades of experience in top financial firms across trading, quantitative investments and trading technology.

Christian Gil

Co-Founder and Member of the Board

Cristian Gil

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Cris is Co-founder of GSR and leads the company’s trading operations and business development. Before co-founding GSR, he worked as a commodities trader at Goldman Sachs in New York. Since then he has managed an active portfolio of investments across the technology, real estate, hospitality and media sectors. Cris obtained a degree in Economics from the Massachusetts Institute of Technology (MIT).
Rich Rosenblum

Co-Founder and Member of the Board

Richard Rosenblum

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Rich is a Co-Founder of GSR, and leads the Markets group and is Co-Head of Trading. He began his career at Goldman Sachs where he spent 11 years between New York and London in commodities trading as a Managing Director and Global Head of Oil Derivatives Trading. Prior to joining GSR, he spent a few years on the buy-side, running energy trading teams at two New York-based hedge funds. Rich earned a bachelor’s degree in Mathematics from Columbia University.
Nimantha Siriwardana

Chief Technology Officer

Nim Siriwardana

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Nim is CTO of GSR and is responsible for trading platform development and integration. Nim has over 16 years of experience building software solutions and trading platforms in the financial services sector, including at Goldman Sachs in London and Source Capital AG in Zug. Nim has a master of engineering degree in Computer Engineering from the University of Southampton.
Gilberto Mokbel

Operations Adviser and Member of the Board

Gilberto Mokbel

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Gilberto is COO of GSR and is responsible for new customer acquisition and operations management. Previously, he played a key role in developing client portfolios for start-ups and multinationals, including Holmen and M-Real (Metsä Board). He holds degrees in Business Administration from the Universidad Pontificia Comillas and the University of Hull, as well as a master’s degree in eCommerce from the Universidad Carlos III de Madrid.
Jakob Palmstierna

Director of Investments

Jakob Palmstierna

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Jakob is Director of Investments Solutions at GSR and is responsible for the firm’s investment management business. Prior to joining GSR, he was Head of EMEA business development at Two Sigma Investments and a board director of Two Sigma International. He has over 11 years experience of developing business and investment solutions in systematic investment management, including roles at Winton Capital Management and Barclays Global Investors (BGI). Jakob earned a BSc in Economics from Lund University where he also completed the MSc coursework in Economics (without dissertation). He also holds a Ships Officers Degree, Class VIII from Chalmers University of Technology.
Anthony Vince

Head of Quantitative Trading

Anthony Vince

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Anthony is Quantitative Trader at GSR and is responsible for developing trading strategies and platforms for the cryptocurrency markets. Anthony has over 18 years experience in trading across global financial markets, including developing systematic high frequency trading algorithms on global futures and options. He has worked at leading institutions such as Nomura International, Liquid Capital Markets and Tower Research Capital. Anthony graduated with a degree in Management from the University of London, Royal Holloway.

Quantitative Trader

Filippo Perugini

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Filippo is a Quantitative Trader at GSR and is responsible for developing trading algorithms and execution software for the cryptocurrency markets. Prior to GSR, he worked as an Algorithmic Trader at Transmarket Group developing low latency market-making software for major future exchanges. Previously he worked as a front-office quantitative researcher at Leonteq Securities, and as a researcher in market microstructure and high-frequency trading at Cornell Financial Engineering Manhattan. Filippo earned a BEng degree in Mathematical Engineering from Politecnico di Milano, and completed the coursework (without dissertation) for the MSc Applied Mathematics program of Delft University of Technology.
Francois Laurent

Quantitative Trader

Francois Laurent

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Started Jan 2019. Francois is a Quantitative Trader at GSR and is responsible for developing trading strategies and platforms for the cryptocurrency markets. Francois has over ten years of experience building systematic strategies at leading banks, hedge funds, and proprietary trading and market making firms. Francois has extensive experience in AI/Machine Learning, statistics, computer science, and trading. He received a Master of Research in Statistics with Machine Learning & Signal Processing from McGill University and a Master in Financial Engineering from Cornell University.
Romain Bernard

Quantitative Trader

Romain Bernard

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Romain is a Quantitative Trader at GSR and is responsible for developing market models and algorithms for cryptocurrency trading. Before joining GSR, he was a Quantitative Trader at TransMarket Group, where he was responsible for developing and improving trading strategies, conducting research to improve the proprietary software performance, and managing the overall desk portfolio. He worked on the US and European rates desk, and later crude and refined products. He obtained a BSc in Engineering from Supelec in France, and an MSc in Financial Engineering from the Swiss Federal Institute of Technology in Lausanne.

Quantitative Trader

Josh Jacobsohn

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Josh is a Quantitative Trader at GSR and is responsible for developing trading strategies and platforms for the cryptocurrency markets. Josh joined GSR from Prelude Capital where he created a quantitative trading engine and a systematic portfolio of digital assets. Prior to Prelude Capital, Josh was a Convertible Bonds Trader at Castle Creek Arbitrage Global and an Equity Derivatives Trader at Consilium Capital. Josh has an MSc in Financial Mathematics from the University of Cape Town.
Nadia Muna-Gil

Director of Human Resources

Nadia Muna Gil

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Nadia is Director of Human Resources at GSR. Nadia has over 11 years experience in recruiting and executive coaching in the investment management and financial technology sectors. Prior to becoming a recruiter, she worked at Goldman Sachs and Mitchell Madison in New York. She holds a degree in Management Science from the Massachusetts Institute of Technology (MIT) and is working towards a master of science in Organisational and Business Psychology from the University of Liverpool.
Joel Telpner

General Counsel

Joel Telpner

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Joel is a partner in Sullivan & Worcester’s New York office. He is a highly sought-after legal advisor in the blockchain space, actively working with a large number of clients in structuring token distributions and enterprise blockchain applications. Joel brings more than 30 years of legal experience, and is leading policy initiatives on global regulatory issues for blockchain on behalf of the Global Blockchain Business Council and the Blockchain Research Institute. He is also a member of the Wall Street Blockchain Alliance’s Legal Working Group, which is developing guidance on best practices for ICOs.
Antonio Lobon

Corporate Legal Advisor

Antonio Lobón

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Antonio has a Degree in Law from Complutense University of Madrid, a Master’s Degree in Tax Law from the University of Deusto, Bilbao and Spanish CPA. He is member of Madrid Bar Association and the Spanish Institute of Chartered Accountants.

After 36 years of experience with KPMG, he retired in October 2014 since he reached the statutory retirement age. He started his career at KPMG in Madrid in 1978, became partner in 1987 and moved in 1999 to New York office where, amongst other responsibilities, he was the Partner-in-charge of Latin-American Legal Services, served Global Accounts in Latin-America and lead the Spanish and Portuguese Centers of Excellence in that Office. In July 2015 he joined the Spanish law firm Larrauri & Marti Abogados where he leads the International Departament.

Operations Manager

Laurian Russo

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Laurian is Operations Manager at GSR, responsible for overseeing risk management systems and trade reconciliation across all client portfolios. Laurian has over 20 years’ experience in software development and risk management, with 10 years as Risk Manager at Source Capital AG where he developed and managed algorithmic trading operations and back-office systems. Laurian holds a degree in Computer Science from Purdue University.
John Kramer

Trader

John Kramer

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John is a Trader at GSR and is responsible for OTC Trading and proprietary trading strategies. Prior to GSR, John worked for a proprietary trading firm as a market maker in equity options and more recently in cryptocurrency derivatives. He has experience developing and trading algorithmic FX and futures strategies. He obtained a Masters in Finance from MIT Sloan, where he researched and developed macro risk models for Wellington Asset Management. John also holds a BSc in Aerospace Engineering from the Massachusetts Institute of Technology (MIT).
Paulo Janer

Director of Business Development

Paolo Janer

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Paolo is Director of Business Development for GSR and is responsible for new customer acquisition and client service. Prior to joining GSR, Paolo worked in business development for Oracle, specialising in enterprise cloud solutions. His earlier career was spent in London, where he held senior sales roles at leading digital advertising firms. Paolo holds a degree in Business Administration from the University of St. Louis.
Anil Shewakramani

Director of Business Development

Anil Shewakramani

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Anil is Director of Business Development for GSR and is responsible for customer account management. Anil is an experienced executive with strong results implementing new technologies at large organizations. He worked for over 5 years at IBM and has significant experience in pre-sales and professional services, including people development, building methodologies, driving sales, defining strategies across regions and leading implementations to build client success.

Business Development Advisor

Xin Song

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Xin is Business Development Advisor for GSR, supporting our Global Business Development team by leading our marketing and sales strategy in the Asia Pacific market. Xin has extensive experience in leading strategy and business development, most recently as CEO of Magpie Capital, a digital asset investment firm. Prior to Magpie Capital, he was Head of Product at DealGlobe. Xin started his career at BlackRock in the UK, where he was portfolio manager with the European Equity team. He holds a BSc in Mathematics from London School of Economics (LSE), an MBA from London Business School, and is a CFA charterholder.

Business Development Analyst

Michel Franchetto

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Michel is a Business Development Analyst for GSR. Michel has over 8 years of experience in banking and technology and was previously a Business Analyst and Project Manager at UBS in the FX trading division. He also has experience as a Business Development Consultant for the Swiss Chamber of Commerce. Michel has a Masters in Business Management from the University of Lugano in Switzerland.
Ciaran Neilan

Marketing Manager

Ciaran Neilan

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Ciaran is a Marketing Manager at GSR and is responsible for devising and executing marketing strategy across all service offerings. Prior to GSR, Ciaran worked at Circle, where he was Regional Marketing and CRM Lead for retail and institutional products. Ciaran obtained an MSc in Marketing from the Michael Smurfit School of Business, University College Dublin and a BSc in Business & Management from the Dublin Institute of Technology.