Our management team embody Vestun’s culture of hard work, ethics, and the tireless pursuit of opportunity.

Cayan Asli

Chayan Asli


Founder and CEO at Vestun, Chayan has a standing track record in managing long/short investment strategies both as a quant and discretionary trader. Prior to founding Vestun, he primarily managed his own capital both independently and as a proprietary trader with a particular focus on mid-frequency quantamental approaches. Chayan studied a master's degree in Finance and banking at the university of Neuchâtel and at the Institute of Financial Services Zug, Switzerland.

Stephen Varey

Stephen Varey

Chief scientist & CTO

Stephen Varey brings over 25 years of experience in artificial intelligence with developing intelligent trading systems and market risk engines for large institutions including JP Morgan, HSBC, UBS, and Jabre Capital. During his career, he led various large scale R&D initiatives in defense, aerospace, and financial services with investment banks and hedge funds. His work has been recognized by the 2019 AI Breakthrough Award. He Graduated in computer science, and served as a lecturer at Thames valley University.

Korina Rush

Korina Rush, CIA

Compliance & Risk

With over 15 years of experience in global financial services industry, Korina is a Senior Audit, Risk and Compliance Executive with a particular focus in wealth and asset management. Before joining Vestun, she served as Internal Audit Director at Credit Suisse AG for external asset manager, the Head of Compliance at Swiss Post Solutions, and as Internal Audit Manager at Man Group Ltd. She is a Certified Internal Auditor (CIA) from the Institute of Internal Audit, and holds an M.S in Banking and Economics from Vilnius University.

Korina Rush

Robert Cristobal

Business Development & Investor Relations

Robert has 15 years of experience in financial services in both New York and Zurich. Prior to joining Vestun, Robert served as a manager at Credit Suisse and KPMG where he designed, implemented, and audited compliance processes and infrastructure controls for global banks, asset managers and hedge funds. His experience in asset management includes managing the operations of the entire fund lifecycle. He holds a Master degree in Global Banking from Regent’s University in the UK.



We are students of the market. We value the constant change and feedback, which creates the opportunity for improvement. We never underestimate uncertainty. The light is always on, the work never stops, and the pursuit of new creative ideas is the relentless focus.


We care about our people and place importance on building trustful relationships with our investors. We commit to the highest ethical standards in what we do and comply with good business practices. We take a principles-based approach to support constructive discussions and improve decision-making.


As strong proponent of collective intelligence, we aim to foster efficient collaboration and open innovation. To achieve this, Vestun has been developing innovative technologies which enables reliable and secured collaboration to generate meaningful insights.
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See for yourself how the intersection of Finance, and technology in a fast-paced collaborative environment can make for a rewarding career !
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