Meet The Team

Our team

Our diverse team of 30+ professionals are solely focused on delivering performance for our investors.

Our core team worked together within major investment bank proprietary trading teams before launching Portman Square Capital in 2012.

Led by CEO, Sutesh Sharma, our team works collaboratively across most asset classes to share volatility expertise and knowledge to build portfolios for our clients. This collaboration leverages specific market knowledge and experience to optimise trade structures, and find the most efficient means of deploying risk.

Sutesh Sharma
Founding Partner & CIO

Sutesh is responsible for the day to day management of Portman Square, with a focus on risk, portfolio construction and engaging with key clients. Sutesh was formerly Global Head of Citi Principal Strategies Group, Global Head of Proprietary Trading at Morgan Stanley, and CEO of Old Lane, a hedge fund with $4.6bn AUM, acquired by Citigroup.

Lalit Das
Founding Partner & Portfolio Manager

Lalit is responsible for hybrid strategies at Portman Square. Lalit was formerly Managing Director and Senior Portfolio Manager of Convertible Bond and Volatility Arbitrage at Citi Principal Strategies, and co-CIO of Old Lane.

Yusaf Khan
Founding Partner & Portfolio Manager

Yusaf is responsible for equity strategies, which include dispersion and volatility relative value. Yusaf was formerly Managing Director and Senior Portfolio Manager of Convertible Bond and Volatility Arbitrage at Citi Principal Strategies, and co-CIO of Old Lane.

Alessandro Esposito
Partner, Portfolio Manager

Alessandro focuses on credit strategies and was formerly Partner and Founder of Theorema Credit Funds - an Alternative Asset Manager, and Portfolio Manager at Bluebay Asset Management.

Julien Attal
Partner, Portfolio Manager

Julian manages equity volatility strategies, with a key focus on OTC dispersion trading. He was formerly Quantitative Risk Management and Trading at Green Owl Capital.

Bastien Lussault
Partner, Portfolio Manager

Bastien focuses on equity volatility strategies, with a key focus on quantitative analysis and fixed strike dispersion. He formerly held roles at Fincad and Arkera Artificial Intelligence.

Toby Lingard
Partner, COO & CRO

Toby manages all of Portman Square's non-investment functions, alongside his role as independent risk officer. Toby was previously COO of Citi Principal Strategies, having spent 14+ years with the company.

Alistair Heaton-Armstrong
Partner, Head of Business Development

Alistair is responsible for Portman Square's business development efforts, with a focus on key client management, on-boarding and delivering our research and insight capabilities to clients. He was formerly CEO of Marble Bar Asset Management LLP, and CEO of Capstone Investment Advisors UK LLP, a hedge fund with $9bn AUM.

Alex Gabriel
Partner, Head of Finance

Alex formerly held financial control roles at Marshall Wace, Rozes Invest, Renshaw Bay, Credit Suisse, and RBS.

Luca Toietta
Partner, Portfolio Manager

Luca manages the rates strategy at Portman Square Capital. Luca was formerly CIO at Permaneo Capital and Portfolio Manager at Elan Capital. He started his career as a trader at Citigroup.

Christian Jensen
Head of Technology

Christian has worked in a variety of senior technology roles since 1986, at Morgan Stanley, Deutsche Bank, HSBC, Jabre Capital and RBS covering software development and technology project management for complex organisations.

Alex Lansley
Head of Operations

Alex is responsible for managing the operational team at Portman Square Capital. Formerly, Alex was Director of Operations at Maven Group and Head of Operations at Mako Global Investors, having spent 17 years at the company.

Petros Toseland
General Counsel & Chief Compliance Officer

Petros is responsible for all legal and compliance aspects of the firm. Petros was previously general counsel and compliance officer at Trafalgar Asset Managers, legal counsel at GLG Partners (Man Group) and an attorney at Maples Group. Petros began his career at international law firm Clifford Chance.

Jaipal Tuttle
Quantitative Researcher

Jaipal supports the team with research activities, modelling, and idea generation. Jaipal was formerly Head of Volatility Strategies at StratiFI LLC and MD at The Carlyle Group having founded a quantitative asset management company which was subsequently acquired.


We are always looking for talented professionals to join our team across all functions. Whether you are a seasoned volatility expert or just starting out, if you believe you have the skills, drive and curiosity to make us better, we want to hear from you.




Click the link below to get in contact with Portman Square Capital