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Nigel Sharrocks

Nigel Sharrocks has spent over 40 years in the global media industry and is currently chair of several international media companies, including Local Planet. In 2012, Nigel was a key member of the Executive Leadership team that sold Aegis Group, the media buying and digital marketing group, to Dentsu Group Inc. in a US$3.16 billion cash deal. Nigel was previously the Managing Director for Warner Bros. Pictures, UK and, prior to this, Nigel founded MediaCom Group Limited, which is now a cornerstone of WPP plc.

Nigel holds a degree in Chemistry from Bath University.

Steve Clarke

Steve is a serial entrepreneur with significant experience in the digital media industry. He is currently Chief Executive Officer and co-founder of Withu Holdings Limited, an online business providing audio-based workout programmes, prior to which he co-founded Mobile5 Media Ltd, which was acquired by Omnicom Media Group in 2018, and served as managing director of Bluestar International Limited. Steve also previously served as Chief Executive Officer of Bluestar Mobile Group plc, which was admitted to AIM in 2005 and sold its trading business to Bluestar International Limited in 2008, and as director of Rivals Digital Media Ltd, a company formed by the merger of 365 PLC with the Internet division of Chrysalis Media Ltd. Steve also co-founded Property Jungle Limited in April 1999, which, at the time, became the largest online property portal in the UK within 12 months of inception, having sold Creative Catering Ltd earlier in 1999, a company he had founded in 1995.

Martyn Rattle

Martyn Rattle is currently Chief Executive Officer and founder of Local Planet and has over 30 years’ experience in global media companies. Martyn is also the founder and a director of Marmalade Consultants Limited, a global M&A consultancy company specialising in acquisitions & growth strategies in the independent digital marketing services sector. Prior to this, Martyn was CEO of Global Clients at Aegis Group and part of the Board team who sold Aegis Group to Dentsu Group Inc. for US$3.16 billion in 2012. Martyn will assist the Board to focus on scaling Silverbullet’s client relationships and structuring long-term commercial contracts.

Ian James

Ian James has over 25 years’ digital data and technology experience and brings a wealth of industry knowledge to the business. Ian has held a number of leadership roles in Entertainment, FMCG, Media and Technology organisations, where he delivered transformation for businesses such as Chrysalis PLC, Bacardi Corporation, Aegis Group, Starcom MediaVest Group, Acxiom Limited and Verve Inc. Ian is currently a non-executive director at 4Global Consulting Limited and serves on the Board of Local Planet as a non-executive director and fulfils the role of Global Chief Data, Technology and Analytics Officer.

Ian co-founded Silverbullet in 2016 and continues to drive the leadership team and business, while extending into key partnerships and commercial opportunities.

Umberto Torrielli

Umberto Torrielli is an entrepreneur, thought leader and mentor, with extensive experience in the data and media technologies industry. Prior to co-founding Silverbullet in 2016, Umberto led varied technical and strategic teams and most recently at Bluekai Inc. and Oracle Corporation. Umberto brings a unique technical view of the customer data and technology landscape and helps shape the overall strategy for the Group’s products and services division.

Umberto holds a Cum Laude Bachelor of Arts degree from Sacred Heart University, a graduate MBA certificate from Sacred Heart University and an Executive MBA from the Quantic School of Business and Technology.

Chris Ellis

Chris is a qualified chartered accountant and has more than 25 years' global board level finance and management experience running a range of large, complex international businesses as well as small and medium sized ventures both publicly and privately owned.

Chris has worked for organisations including GE Capital European Finance Ltd, Cybertrust a global IT services business, Syscap Group, a financial services broker, and United Health International a worldwide healthcare business and a New York Stock Exchange listed company with a market capitalisation of approximately US$60 billion.

AnnaMaria Khan-Rubalcaba

AnnaMaria brings extensive senior-level experience in marketing technology and AI services. AnnaMaria serves as Chief Executive of HYD, an Omnicom Group Digital Product Agency, for over five years, from January 2019 to the present. Prior to her role as Chief Executive, she held the position of Managing Director, where she contributed to the operational and managerial aspects of the agency. Her insights will be invaluable to Silverbullet's progress in AI and further development of its 4D data platform.