Board of Directors

Prior expertise

James retired as a Managing Director at Numis Securities Ltd after 19 years during which time he advised a number of technology, media, healthcare and mining companies which were either admitted to trading on the Main Market of the London Stock Exchange or AIM. James has led many initial public offerings and secondary fundraises, including previous transactions for Mirriad, as well as advising on mergers and acquisitions and corporate governance issues. Previously James was a director of ABN AMRO Hoare Govett in various institutional sales roles.

Sector experience

James has a wealth of experience in helping publicly quoted companies make the most of their listings and liaising with investors.

Experience

Joined the Board in October 2018 to take on the role of Chief Executive Officer following a long career in the advertising industry where he covered a breadth of roles from creative to strategy to technology to data. Stephan has been tasked with renewing the Company’s strategy and the way it operates to ensure that the Company is on a path to growth.

Prior expertise

President of data, technology and innovation at Publicis. CEO of VivaKi,driving the transformation of Publicis’
programmatic buying and servicing model. He has worked with some of the world’s biggest brands including McDonald’s, Audi, Nissan, Asus, P&G and Michelin, and led key technology partnerships and initiatives with companies such as Adobe, Microsoft and Google.

Chief growth and strategy officer for the digital technologies division of Publicis Groupe, international CEO for Digitas and Razorfish, and global chief strategic officer and president of Tribal DDB EMEA.

Sector experience

Advertising, media and digital agencies, technology, business strategy and M&A.

External appointments

None.

Experience

Nic Hellyer brings over 30 years of financial and listed company experience to Mirriad, having held various senior banking, director and CFO positions. He has extensive tech company experience in both the UK and US, and is a former investment banker across a wide range of senior advisory roles including fund raising (IPOs and follow-ons) and M&A for growth companies, both public and private.

Experience

Joined the Board in June 2019 following a career in senior financial roles across many sectors with a focus on technology. 

Prior expertise

A qualified chartered accountant, an Associate of the Chartered Insurance Institute and a Fellow of the Institute  of Bankers. A long career in financial services including tenure at Prudential  (where he co-founded egg plc, the first UK internet bank) and the Co-operative Bank plc (where he was the first CEO  of smile.co.uk) and nine years spent in various senior roles with Old Mutual.  He has also spent time in South Africa where he was a member of the Executive Committee of the South African Revenue Service and interim chief financial officer at South African Airways.

Sector experience

Financial management, risk management, technology, corporate governance, M&A and HR. 

External appointments

Non-executive director of Personal Group Holdings plc, Personal Group Limited, Personal Assurance plc, Alexander Forbes Group Holdings Limited and Alexander Forbes International Limited.

Experience

Joined the Board in July 2022. JoAnna has a depth of experience in the global advertising technology industry gained by holding executive leadership positions in operations, client services, marketing, and strategic partnerships. 

Prior expertise

JoAnna most recently served as Senior Vice President, Global Inventory at The Trade Desk.  Before joining The Trade Desk, JoAnna was Chief Operating Officer at OpenSlate ahead of its sale to DoubleVerify.  Prior to that, JoAnna held executive roles at Rapt (acquired by Microsoft), FreeWheel (acquired by Comcast), Adap.tv (acquired by AOL), and AOL (acquired by Verizon).

Sector experience

Advertising, media, technology, fundraising, change management, M&A, and business strategy.

External appointments

None.

Experience

Joined the Board in June 2022. Nicole has a depth of experience in the demand side of the advertising market having held a range of senior leadership positions on the revenue generating side of a number of organisations ranging from later stage start-ups to more mature organisations.  She is currently General Manager Advertising and Commerce at TeamSnap in Los Angeles. 

Prior expertise

Before joining TeamSnap, Nicole was Head of Advertising Partnerships at Quibi and Senior Vice President Revenue Strategy and Operations at Flipboard. Prior to that Nicole held senior roles at Martha Stewart Living Omnimedia and IAC/InterActiveCorp Advertising Solutions. She graduated with a BA Economics from Cornell.

Sector experience

Advertising and revenue strategy, media, technology, M&A, and business strategy.

External appointments

HMO Tech, LLC.