Meet Our Leadership Team

Greg (1)
Greg Newman Group CEO

Greg operates as the Group Chief Executive and An Executive Director on the Company’s Board. Greg pulled back from trading as Head of Crude at Onyx in early 2019 to focus on driving the company’s growth and strategic vision full-time. Greg holds a BEng in Biochemical Engineering from University College London.

Omar (1)
Omar Kayaam Director of Trading & Executive Director

Omar is a Co-Founder of Onyx Capital Group and is an Executive Director on the Company’s Board. He has traded Oil derivatives for 8 years whilst specialising in Light Ends for 6 years. He has successfully pioneered the Light Ends desk at Onyx, and now operates as Director of Trading overseeing all aspects of the trading floor.

Onyx 160920 259 Henry
Henry Monahan Group Director of Operations

Henry joined Onyx at the beginning of 2019, and has personally been responsible for the considerably improved infrastructure and systems, working with Management to create the company we are today. Henry is now the Group Director of Operations, overseeing technology and infrastructure, middle and back office, and compliance functions Group wide.

Andreja Plahuta Group Head of HR

Andreja joined Onyx in October 2018 to build the firm’s HR Operations. She has been responsible for all HR matters, including all of the firm’s performance reviews (ORS), and the firm's recruitment. Andreja shares the company’s enthusiasm for culture, and takes very seriously her role in ensuring that employee output is aligned with our principles.

Onyx 160920 125 Kevin Willoughby
Kevin Willoughby Group Head of Compliance

Kevin has joined Onyx as its first in-house Head of Compliance. With the company on such a sharp growth trajectory, Kevin’s role is to ensure best practices are kept up to date across the Group. Kevin has implemented training, monitoring processes, and reporting in accordance with the FCA rule book and leads communication with the regulator.

Harry (1)
Harry Campion Director of Brokerage - Onyx Capital Advisory

Harry joined Onyx on inception as a Senior Trader, starting with Fuel Oil before moving on the develop the first Propane desk at Onyx and then on to US Grades. Harry has since moved to Director of Brokerage at Onyx Capital Advisory, responsible for the day to day running of the brokerage business.

Onyx 160920 141 Filipe Serodio
Filipe Serodio Head of Trading Risk - Onyx Commodities

Filipe started at Onyx May 2020 in a new role for the company as Head of Trading Risk. Filipe role is to monitor, evaluate and police trading controls within Onyx Commodities, working to forecast any potential downfalls that could arise as well as optimising our capital utilisation. Filipe brings with him 13 years of experience in risk roles.