Executive Management Board

Our Executive Management Board has decades of experience in the semiconductor industry and is responsible for implementing the decisions of the Board and its Committees. The EMB works with the Chairman and the Board to help steer the commercial and operational activities of Imagination.

Ron Black

Dr. Ron Black

Chief Executive Officer

Dr. Black was appointed CEO of Imagination in December 2018. He is a veteran figure in the semiconductor and technology industry with over 25 years of experience, most recently as CEO of Rambus, and previously as CEO of UPEK and Wavecom. 

He has held leadership roles with Agere Systems, Gemplus, IBM, and Motorola, led companies both in the USA and Europe, and created partnerships and joint ventures in China.

Dr. Black holds a Bachelor of Science, a Master of Science and a Ph.D. in Materials Science and Engineering from Cornell University.

John Rayfield

John Rayfield

Chief Technical Officer

John spent early years of his career at ARM where he ran advanced R&D (architecture) and Technical Marketing. Since ARM, John has created and run technology start-ups both sides of the Atlantic, and John and his Code Red Technologies team was acquired into NXP in 2013. At NXP John ran the MCU Architecture, Validation and Software teams.  Most recently, with Cypress Semiconductor he was a VP of Engineering for the Compute and Connectivity Division.

John has a B.Sc. Hons EE from Brunel University and a M.Sc. in Digital Signal Processing from the University of Surrey.

Stuart Black 2018

Stuart Black

Executive Vice President, Finance​

Stuart has recently joined from Huawei Technologies where he was the Finance Director for 5 years, working within the carrier network and enterprise business units in the UK. 

Before this he held senior finance positions within the device management group of Vodaphone UK, the managed services unit of Ericsson UK, Verizon Business and Vertu Ltd, a mobile start-up division of Nokia Mobile Phones. He started his finance career at Lotus Software.

He is a fellow of the Chartered Institute of Management Accountants and has a degree in Economics from the University of Portsmouth..

Michele Byron 2018

Michele Byron

Group HR Director

Michele Byron joined Imagination in October 2014 as HR Manager having previously performed similar roles in other engineering and technology businesses, including Buro Happold Engineers Ltd, Airspan Technologies, FFEI Ltd and JJS Electronics Ltd. 

Michele’s HR experience spans over 15 years and has included all aspects of HR, taking a partnering and collaborative approach with her internal customer base.

David McBrien 10cm

David McBrien

Executive Vice President, Sales and Marketing

David McBrien joined Imagination in 2002 to run sales and business development for the company’s technology groups, and has been formative in many of Imagination’s most significant licensing deals. 

He has an established track record of success in both chip and IP sales, having previously held senior management positions at Hitachi (now Renesas) and at Parthus (now CEVA). 

David spent much of his early career developing leading-edge ASIC products for telecoms, consumer and space applications. He graduated from Queens University, Belfast with a degree in Electronic and Information Engineering.

woz ahmed 2019

Woz Ahmed

Executive Vice President, Corporate Development and Strategy

Woz is responsible for shaping Imagination’s long-term strategic direction, in addition to leading its M&A, marketing and organisation development functions. 

Woz re-joined Imagination in 2018, having previously worked for Imagination from 2004 to 2016. Starting in business development, he took Imagination into China, Taiwan and Korea, with the focus on building the commercial organizations there in parallel with gaining commercial traction. He later ran M&A and other corporate projects as a VP. 

Most recently he worked as an advisor to early-stage venture capital firms focused on deep tech ventures. He previously held segment marketing and product management roles at Hitachi (now Renesas), ARC (now part of Synopsys) and Avnet, as well as customer engineering roles at IBM and National Instruments. 

Woz holds a BEng degree in Electronics and Computing, a Henley MBA and attended Oxford University’s Private Equity Programme.

steve evans

Steve Evans

Executive Vice President, PowerVR Product

Steve has been working in the semiconductor and technology industry since 1985.

He has held various senior marketing, sale and business development roles across several leading companies including Arm, MIPS (previously as part of Imagination), Hitachi and a number of start-up and early stage businesses.

At Imagination Steve is focused on ensuring the Imagination portfolio continues to deliver outstanding innovation for our customers and partners.

Nigel Leeder profile picture

Nigel Leeder

Executive Vice President, PowerVR Engineering

Nigel Leeder is Executive Vice President of PowerVR. Previously, Nigel performed senior leadership roles for PowerVR for over a decade, guiding the evolution of PowerVR’s Graphics Processing Units (GPUs) and advances into AI technologies.

This included leading the customer engineering team, which was responsible for delivering and supporting all Imagination’s technology deliverables to its customers and guiding its roadmap evolution based on those deep engagements. 

He has been intrinsic in delivering success for Imagination’s most important and influential customer engagements over the complete history of Imagination’s IP business

gerry conlon

Gerry Conlon

Executive Vice President, Ensigma

Gerry Conlon joined Imagination in April 2018 as Senior Director of Business Development, Ensigma. He has a deep understanding of the forward value chain for semiconductor IP, with over 25 years of experience spanning technology consultancy, the semiconductor industry and component distribution. 

At iWatt Inc., he was instrumental in developing original business models and strategic partnerships to help convert brand names such as IKEA, OSRAM and Sylvania into global accounts, with iWatt achieving Global No.1 in Dimmable LED Driver IC’s in 2013.  Dialog acquired iWatt in 2013 for $345M.

Gerry’s early career was developing video and precision-motion control systems, followed by a successful leadership role growing a start-up into a viable player in the machine vision industry – it was acquired in 2000, now called Prophotonix. He holds a Bachelor of Science, Engineering, a degree in marketing and an Honours MBA (specialised in success strategies for high-technology start-ups).