Leadership Team

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Stephen Broderick - Global CEO

Stephen was key in founding the financial compliance industry, advising clients and advertiser bodies, including WFA, ANA and ISBA, on financial transparency issues. Stephen was heavily involved in the 2016 ANA “Transparency Report” into the US media market.

Phone: +44 7578 554 321


Elliot Sherrington - Managing Director

Elliot has been running financial audit programs for many of the world’s largest advertisers for the last 12 years.  Highly experienced in agency/advertisers MSAs, Elliot advises industry bodies (including ANA & ISBA) on current financial transparency/contract issues.

Phone: +44 7886 551 719

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Tony Whittingstall - Global COO

Tony has managed audit programs across 5 continents for 15 of the top 20 global advertisers. An expert on both trading practices and systems utilised by agencies, he is responsible for ensuring that MMC’s audit methodology delivers value and transparency to our clients.

Phone: +44 7887 992 502


Fiona Foy - Managing Director, N. America

Fiona heads up our North American office. With over 15 years' experience working in marketing procurement for multi-national advertisers, Fiona understands the benefits that financial transparency can deliver to clients.

Phone: +1 408 748 4546

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David Reid - Managing Director, APAC

David oversees our APAC offices in Australia and China. As a former Commercial Director of an APAC network agency with over 16 years' experience in the industry, David is responsible for client service and operations for local, regional & APAC based global advertisers.

Phone: +61 409 441 343


Shubhra Kakkar - Managing Director, India

Shubhra has 18+ years of experience in marketing audit advisory and integrated marketing communications. With 7 years of core advertiser interactions across India and South Asia, she has a deep understanding of agency advertiser dynamics, contractual challenges and marketing procurement. Previously she held roles at Edelman India and The PRactice – Porter Novelli, consulting for brands like Hewlett Packard and LinkedIn.

Phone: +91 98200 74544

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Jonathan Pigden - Managing Director, Africa

Jonathan began his career within media agencies, most notably the Dentsu Aegis Network, before forming various third-party media auditing entities. With extensive African market experience, he moved into compliance, now leading the Media Marketing Compliance Africa division.

Phone: +27 71 941 7565


Nick Johnson - Director of Audit Services

Nick has been performing marketing services consultancy work since 2003, mainly in SEA and more recently in the UK and EEC. Nick continues to assist in the performance of agreed upon procedures for our clients but his main role is in ensuring the firm’s compliance with ICAEW regulations and guidelines.

Phone: +44 7905 035 937

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Jessie Li - Audit Director

Jessie is a CPA qualified accountant with a Masters in Accounting and audits across the APAC region. Jessie has 10+ years’ experience in the ad industry, having worked in senior finance roles at Kantar, Naked Communications, IKON Communications & Young & Rubicam. Her knowledge of agency software systems is of great benefit in ensuring we obtain full disclosure and reporting of requested data.



Tom Yuan - Audit Director

Tom began his career in China as a Senior Auditor with Crowe Horwath and went on to work in a Senior Finance & Commercial role for OMD in China. Tom is a qualified accountant with a Bachelor of Accounting and Finance, having over 8 years marketing industry experience. Tom is a key Audit Director servicing our China based clients and audits.


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