Meet The Team

Humphrey Percy Chairman and Founder

Humphrey has more than 40 years of international banking experience and has worked at J. Henry Schroder Wagg, Barclays Merchant Bank (later Barclays de Zoete Wedd/BZW) and WestLB where he held positions including CEO, Managing Director, General Manager, and Head of Global Financial Markets. He managed a number of global capital markets, foreign exchange, money market and derivatives businesses within Barclays and WestLB.


Humphrey founded Bank of London and The Middle East plc in 2006 and was Chief Executive Officer of BLME Holdings for 9 years. Subsequently and until the end of 2018, Humphrey was Group Chief Executive of KEH Group and held Board positions at WH Ireland plc, Armila Capital Ltd and London Resort Company Holdings Ltd. A Chartered Fellow of the Chartered Institute for Securities & Investment (CISI), and until 2018 he was on the Advisory Board of the London Capital Club and a Business Ambassador for the Royal Marines Business Liaison Group. In 2019 Humphrey founded HighLine Partners Ltd where he is Chairman.

Mireille Percy CEO

Mireille joined SGM-FX in 2017. With financial services experience of more than 18 years, she has led strategy and operational roll-out at project level for leading banks including BNP Paribas, Deutsche Bank and ICBC Standard as well as challenger banks including BLME, QIB, Gatehouse and EAB.


With a BSc in Computer Science and a Masters in Finance she has been a successful leader on more than 30 global projects with a proven track record of building, training and managing successful teams in multiple remote overseas locations. 

SGM-FX Head of Human resources
Julie Neal Head of HR

Julie joined SGM-FX in December 2002, when the company was founded.  Prior to this she worked as a Team Secretary and Office Manager for a firm of City head-hunters. 


During the development and expansion of the company, her skillset has allowed her role within SGM-FX to broaden considerably over the years.  Julie is the Office Manager, Head of HR, and Accounts Manager. 

Graham Langton Head of Corporate Sales

Graham joined SGM-FX in 2006 looking after sales for both corporate and private clients. Prior to joining SGM-FX Graham worked for other City based foreign exchange companies.


Graham now heads up the corporate sales desk within SGM-FX.

Charles Porter ECS Department Manager

Charles joined SGM-FX in 2017, having graduated from the London School of Economics with Master’s of Science degree in the Political Economy of Europe. He holds a first class degree in Politics Philosophy and Economics from the University of Exeter.


Utilising his passion for economics and markets, Charles is the author of regular articles of analysis and opinion. In addition to producing a daily foreign exchange newsletter, he also conducts interviews with leading academics, professionals, and politicians.

Richard Picton-Turbervill ECS Department

Richard joined SGM-FX in 2017. Prior to this he worked in the Financial Administration and Sales department for Thuthukani Consulting Engineers in South Africa. Richard has a BCom in Management from the University of South Africa.

Euan Maskell ECS Department

In 2016 Euan completed a summer internship at a London based Public Relations firm. Afterwards, he started working for Saga plc dealing with Home Insurance policies and clients. Euan joined the SGM-FX Operations team in 2017 and started a career in Foreign Exchange. After a year of experience and a huge interest in the market, he joined the Sales desk to deal with clients and the Prepaid Card.

Jamie Pritchard Operations Manager

Jamie joined SGM-FX in 2017. He graduated from Brunel University with a degree in Business Management & Accounting. Prior to joining SGM-FX Jamie held various positions within the financial services sector in London.

Michael Newton IT Developer

Michael graduated from De Montfort University with a BSc Hons in Computer Science. He joined SGM-FX in 2019 and in addition to providing I.T. Support, Michael is part of the Project Development Team.