Our Story

Passionately pushing the boundaries

of investment management

through performance, research and integrity

With a combined experience of almost 50 years in finance and trading,

we believe Nutshell is an exciting, innovative company to invest with.

Mark Ellis


Chief Executive Officer / Chief Investment Officer

Mark founded Nutshell Asset Management in 2019. Mark has a 25+ year history in trading and investing for a number of leading financial institutions, including NatWest Markets, Citibank and Symmetry Investments. As well as studying Economics at LSE, Mark has an MSc in Finance from Cass Business School where he achieved a Distinction and published his dissertation on Momentum Trading in the Journal of Asset Management.


Mark is confident he has developed a far reaching and detailed method for both delivering strong gains and protecting growth throughout the economic cycle.

Duncan Harvey


Chief Operating Officer

Duncan has been in the financial industry for over 23 years. Since graduating from Loughborough University with a degree in Banking and Finance, he enjoyed a successful career working at State Street, Mellon Trust and Morgan Stanley. 


His most recent positions at Rogge Global Partners and Allianz Global Investors were as a Generalist Portfolio Manager. He has been a CFA charterholder since 2006.

Advisory Board

Steve Brawn


Steve has been in investment banking and wealth management since 1987 having started his career at Samuel Montagu, trading derivatives at the Bank of Nova Scotia, and Sanwa International.


He is a Director of a large private FX/payments firm and via his consulting boutique, successfully built fund of hedge fund portfolios. He has also appeared as an expert witness in court. He holds a BSc (Hons) in Physics from London University and an MSc in Management Science from Cranfield where he was an honours student.