About us

Linear is a specialist award winning prime broker and discretionary fund manager based in London and Hamburg. Linear’s integrated platform solution brings together all the skills, expertise, and solutions you require in one place.

Linear’s core services are designed to offer you, our client, the most efficient and cost effective service available in the market. Whether you are a hedge fund manager, trader or broker Linear Investments is ideally placed to provide you with access to the very best market solutions.


Paul Kelly


Paul was previously a Managing Director at Citigroup and Head of Wholesale Execution Services EMEA, spearheading the new wholesale broker to broker business and tasked to integrate electronic trading products with custody and clearing. Prior to Citigroup he was CEO of NYFIX International Ltd, responsible for the build out and launch of NYFIX Euro Millennium MTF (Multilateral Trading Facility – a dark pool).


Steve Smith

Chief Operating Officer

Steve has over 25 years of experience in both front and back office roles across multi-asset class environments. Having built and managed stable trading infrastructures for many years, Steve has held previous roles as COO, Director, and Head of Technology & Operations at firms including Kyte Broking, Marex Spectron, and Eden Financial


Mark Burchell

Global Head of Sales

Mark has over 28 years of experience in the Investment Banking Industry – and joined Linear Investments in January 2014. Working for S.G. Warburg & Co on the European market making and Portfolio Trading Desks from 1987. Following this Mark was a Managing Director at Bear Stearns International where he helped build the European Portfolio Trading sales desk and was a key contact for the Prime Brokerage team. Thereafter Mark held positions on the electronic trading sales desks at CA Cheuvreux (Senior Sales Manager) and Knight Capital (Director).


David Michael

Managing Director, Head of Trading

A mutli-asset sales and trading career in institutional financial services. Covering Equities, Fixed Income, Structured Products, Mutual Funds, FX, Futures & Options. Extensive breadth of experience and a reputation for a strong work ethic, integrity and results. Meticulously balances customer service with risk, revenue and cost. Differential factors: deep practical and academic understanding of sales, trading and risk management through specialised MBA. Continued professional development in Compliance and Investment Management. Enjoys horse racing, football (viewing) and boot camp (participant).


Simon Bayles

Chief Investment Officer

Simon has over 20 years of experience working within financial services and is considered an expert in multi-disciplines across traditional and alternative asset classes. As CIO and founding member of Blue Oak Capital Group, Simon implemented advanced research systems, taking on responsibility for proprietary software and portfolio construction. A member of the Investment Committee he also undertook responsibility for two fund of hedge funds, a structured European equity portfolio, establishing an on-shore private equity team for Chinese investments, and building a multi-currency debit card.


Yetunde Paul

Executive Director of Finance

Yetunde (Yeti) Paul – Yeti is the Executive Director of Finance at Linear Investment Limited. She has over 15 years’ experience in the technology and financial services industry. Previously worked in Allocate Software and Citrix Systems. She holds an Accounting qualification, Bachelor’s Degree in Mathematics and an MBA in Finance.


James Churchman

Head of Sales

James has worked in the financial services sector for over 15 years having provided consultancy services and business development expertise to a range of financial institutions in both the professional and retail space.
Project management and business growth are his core focus and he moved to Linear in May 2019 to initially head up sales and distribution for discretionary investment services and more recently in a wider role as head of sales.