Tremor International is now Nexxen International! Click here to learn more about the Company’s recent name change
Chris Stibbs
Non-Executive Chairperson

Christopher Stibbs has served as a member of the Board of Directors since May 2019 and as Non-Executive Chairperson since September 2020. Mr. Stibbs has over 25 years of experience as an executive in the media industry. From July 2013 to August 2019, he served as Chief Executive of The Economist Group Ltd. (the “Economist Group”), a media company. Previously, he held a number of roles within the group including head of the Economist Intelligence Unit (the group’s B2B arm) and Chief Financial Officer. He is credited with overseeing the Economist Group’s resilience and transition through the unprecedented disruption experienced by the publishing industry over the last 15 years. Prior to this, he held positions with Pearson (NYSE:PSO), a publishing company and Incisive Media, a B2B information and events company. Mr. Stibbs is a fellow of the Associations of Chartered Accountants and Corporate Treasurers and currently serves as a nonexecutive director at Oxford University Press and serves as a chairman of Times Higher Education, IWSR Topco Limited and Sagacity Solutions Ltd.

Ofer Druker
Chief Executive Officer / Executive Director

Ofer Druker has served as the Chief Executive Officer and as a member of the Board of Directors since April 2019 following the completion of the merger with RhythmOne, a digital advertising technology company. From November 2017 to April 2019, Mr. Druker served as the Executive Chairman of the Tremor Video division and was instrumental in our successful integration of Tremor Video after its acquisition in August 2017. Previously, Mr. Druker was the founder and Chief Executive Officer of Matomy Media Group Ltd. (LSA:MTMY), a data-driven advertising company (“Matomy”) until April 2017, having built Matomy from its inception in 2007 into a digital media company. Mr. Druker was responsible for leading and integrating Matomy’s most important strategic transactions, including the acquisitions of Team Internet, Media Whiz, Mobfox and Optimatic.

Joanna Parnell
Non-Executive Director

Joanna Parnell has served as a member of the Board of Directors since 2014. Ms. Parnell is the Co-Founder of strategic marketing consultancy Project50, designing commercial growth strategies for C-suite business leaders in the United Kingdom and the United States. Previously, Ms. Parnell was Managing Partner at Wavemaker (formerly MEC), one of the world’s leading media agency networks and owned by WPP 6 plc, where she led the paid digital and data team, overseeing the agency’s focus on data driven campaigns. Prior to moving to Wavemaker in March 2016, Ms. Parnell was Director of Strategy and sat on the management team at Unique Digital, a digital marketing agency (now a WPP plc company), with responsibility for setting product and business strategy, including leading the multichannel planning strategy (cross-device and cross-platform), managing product heads and driving key initiatives across data buying, attribution modelling and biddable media adaptation. Ms. Parnell has a Masters in German and Business from the University of Edinburgh and studied at the London School of Marketing between 2005 and 2006.

Sagi Niri
Chief Financial Officer / Executive Director

Sagi Niri has served as the Chief Financial Officer since March 2020 and as a member of the Board of Directors since June 2020. Mr. Niri has over 20 years of experience in finance and leadership roles in the technology and real estate sectors. Mr. Niri previously served as Chief Executive Officer of Labs (“Labs”), and Chief Financial Officer of LabTech Investments Ltd., Labs’ parent company, which owns and manages office, retail and residential real estate in London. In addition, Mr. Niri spent over nine years at Matomy, initially as Chief Operating Officer/Chief Financial Officer and more recently as Chief Executive Officer. Mr. Niri is a member of the Institute of Certified Public Accountants in Israel and holds an M.B.A. in Finance from Manchester University and a B.A. in Corporate Finance from the College of Management in Israel.

Yaniv Carmi
Chief Operating Officer / Executive Director

Yaniv Carmi has served as the Chief Operating Officer since March 2020 and as a member of the Board of Directors since 2014. Mr. Carmi previously served as the Company’s Chief Financial Officer from January 2010 to March 2020. He is currently responsible for the delivery of the business plan and driving the growth ambitions. Mr. Carmi was instrumental in our initial public offering of the ordinary shares on AIM in 2014 and in the subsequent global expansion in operations, including significant M&A activity. He is an experienced finance professional, whose previous roles include tax and audit senior at KPMG Israel. Mr. Carmi is also a Certified Public Accountant and holds a B.A. in Economics and Accounting from Ben-Gurion University and an M.B.A. in Financial Management from Tel Aviv University.

Neil Jones
Senior Non-Executive Director

Neil Jones has served as a member of the Board of Directors since 2014. Mr. Jones has spent most of his career in the media sector leading the Finance and M&A functions of UK listed businesses. He is currently Corporate Development Director of Inizio Group Limited, the international life science services company created from the merger of UDG Healthcare plc and Huntsworth plc ("Huntsworth") in August 2021. Prior to that he was Chief Operating Officer and Chief Financial Officer at Huntsworth plc from February 2016. He joined Huntsworth plc from ITE Group plc, the international exhibitions group, where he held the position of Chief Financial Officer from 2008. Between 2003 and 2008, Mr. Jones was Chief Financial Officer at Tarsus Group plc, an international media company. Mr. Jones has a B.A. in Economics from the University of Manchester and completed his ACA in July 1990 with PricewaterhouseCoopers. Mr. Jones is also a nonexecutive Director of Sivota plc a UK listed special opportunities vehicle that invests in undervalued technology business.

Rebekah Brooks
Non-Executive Director

Rebekah Brooks has served as a member of the Board of Directors since June 2020. Since 2015, Ms. Brooks has been Chief Executive of British newspaper publisher News Corp UK & Ireland Limited, part of New News Corporation (NASDAQ:NWSA), a mass media and publishing company (“News Corp”), having first joined News Corp in 1989. Starting as a feature writer for the News of the World, Ms. Brooks became Editor of the Sun in 2003, a position she held until July 2009. From 2009 to 2011, she served as Chief Executive of News International, overseeing a period of significant growth in newspaper operating profit and paid-for digital subscriptions at The Times. Following her appointment as Chief Executive of News Corp UK and Ireland, Ms. Brooks restructured the Sun’s online strategy, driving significant audience growth. In 2016, she also oversaw the strategic acquisition of Wireless, the owner of national radio brands talkSPORT, talkRADIO and Virgin Radio and subsequently launched Times Radio and TalkTV. Ms. Brooks is a Director of News Group Newspapers and Times Media, and a Non-Executive Director of PA Group, the parent company of the Press Association.

Norm Johnston
Non-Executive Director

Norm Johnston has served as a member of the Board of Directors since June 2020. Mr. Johnston is a veteran employee of News Corp. Until recently, he was the Chief Executive Officer of Unruly, the digital advertising business we acquired in January 2020, a position he held from April 2018. Mr. Johnston has been involved in digital marketing since joining the marketing industry’s first digital agency, Modem Media in 1995. In 1997, Mr. Johnston launched Modem Media UK (“Modem”), one of Britain’s first and most successful digital agencies. After Modem was acquired by Publicis in 2007, Mr. Johnston joined WPP plc and GroupM’s media service company, Mindshare Media UK Limited, where he held a number of senior roles between 2007 and 2018, including Global Chief Digital Officer and Global Chief Executive Officer of its FAST business unit, a team of over 2,000 specialists in 115 cities working for global clients such as Unilever plc, Nestle S.A. and American Express Company. Mr. Johnston holds a B.A. in Economics and Political Science from Northwestern University and an M.B.A. in Marketing from Duke University’s Fuqua School of Business.

Lisa Klinger
Non-Executive Director

Lisa Klinger has served as a member of the Board of Directors since April 2021. Ms. Klinger has nearly 30 years of experience in international finance. Most recently, between 2018 and 2019, Ms. Klinger served as Chief Financial Officer at Ideal Image Development Corp, an L Catterton portfolio company and the largest U.S. retail provider of nonsurgical cosmetic and aesthetic procedures. Prior to that, between 2016 and 2017, she held the role of Chief Financial and Administrative Officer at Peloton Interactive Inc., (NASDAQ:PTON), the leading connected fitness platform. Ms. Klinger's previous Chief Financial Officer roles include Vince Holding Corp. (NYSE:VNCE), a fashion apparel company and The Fresh Market, Inc., a specialty food retailer. At both companies, Ms. Klinger led go-public processes and subsequently served on the Executive Leadership team of the public entities. Ms. Klinger also held senior finance roles at Limited Brands and at Michael’s Stores, Inc. where she was Senior Vice President, Finance and Treasurer, and Acting Chief Financial Officer. She currently serves on the Board of Directors and as Audit Committee Chair of Emerald Holdings, Inc. (NYSE: EEX), a leading U.S. business-to-business platform producer of trade shows, events, conferences, marketing, and B2B software solutions, since 2018, and also serves on the Board of Directors as chairperson and on both the Audit Committee and Compensation Committee of The Container Store Group, Inc. (NYSE:TCS), the leading specialty retailer of storage, organization products, custom closets and in-home services in North America. Ms. Klinger also served on the Board of Directors and Audit Committee of Party City Holdco, Inc. (NYSE: PRTY), a vertically integrated party goods supplier and retailer from 2015 to 2021. Ms. Klinger holds a B.S.B.A. in Finance from Bowling Green State University.

Daniel Kerstein
Non-Executive Director

Daniel Kerstein has served as a member of our board of directors since December 2023. Currently, Mr. Kerstein holds the position of Managing Director, M&A, Head of Structuring Solutions and Shareholder Advisory at TD Securities. From 2011 through 2023, Mr. Kerstein held the position of Managing Director, M&A and Global Head of Activist Defense and ESG Advisory at Barclays, where he managed a global team of bankers focused on activist-shareholder defense and ESG advisory. From 2007 through 2011, Mr. Kerstein held the position of Managing Director, Global Finance at Barclays and Lehman Brothers where he led a team of structuring experts, lawyers and accountants, applying accounting, tax, regulatory and general financial expertise to address changing market and regulatory environments to create innovative financial products and strategic alternatives focused on maximizing corporate and shareholder value and improving company returns. Mr. Kerstein joined Lehman Brothers in 2003 from Merrill Lynch. From 1997 through 2003, Mr. Kerstein held the position Vice President, Corporate Finance Investment Banking at Merrill Lynch. Mr. Kerstein holds a B.A. from CUNY, Queens College and a J.D. from Harvard Law School.

Rhys Summerton
Non-Executive Director

From 2014 through present, Mr. Summerton holds the position of Fund Manager and Investor at Milkwood Capital, a long-term, value oriented, global investment company. During this time, Mr. Summerton has successfully promoted the value realization of a number of investments through efficient capital 7 allocation and decision-making. From 2009 to 2013, Mr. Summerton held the position of Managing Director and Global Head of Emerging Market Equity Research at Citigroup, managing the number 1 ranked research franchise. Prior to that, Mr Summerton was a telecoms and media analyst at Citigroup and Cazenove. Mr. Summerton is Chartered Accountant, through Ernst & Young.

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