TNL Mediagene Appoints TJ Park as General Counsel and Naoko Okumoto to Board of Directors, Strengthens Legal and Governance Framework as a Next-Generation Media Company in Asia

-Seasoned attorney TJ (Tae Jun) Park appointed as General Counsel, joining from the Tokyo office of the global law firm Morrison & Foerster LLP, where his practice focused on cross-border capital markets, public company advisory and corporate governance; he holds a J.D. from Georgetown University Law Center and B.A. from the University of California, Berkeley

-Entrepreneur and investor Naoko Okumoto appointed to the Board of Directors as an independent director, with current roles including Founder and Managing Partner of NIREMIA Collective, an early-stage venture capital fund focusing on health and wellbeing technology and CEO of Amber Bridge Partners, a cross-border business advisory firm

-Appointments strengthen the Company's international legal and governance framework and complement recent Board of Directors and C-Level appointments from Yahoo!, Wall Street Journal, NBC Universal, BCG, Reapra, Japan Exchange Group and Porsche Taiwan

NEW YORK and TOKYO, July 31, 2025 /PRNewswire/ -- TNL Mediagene (Nasdaq: TNMG) (the "Company"), a Tokyo-based next-generation digital media and data group in Asia, today announces that TJ Park has been appointed as Company General Counsel and entrepreneur and investor Naoko Okumoto has been appointed to the Board of Directors as an independent director.

TJ Park joins from the Tokyo office of the global law firm Morrison & Foerster LLP, where he gained extensive experience as a capital markets and corporate attorney. At the firm, his practice focused on cross-border capital markets, public company advisory and corporate governance, through which he supported a wide range of global clients. He possesses deep expertise in U.S. legal matters and has a distinguished track record in international capital markets. Mr. Park received his J.D. from Georgetown University Law Center and holds B.A. degrees from the University of California, Berkeley. Mr. Park has also studied abroad at Tsinghua University School of Law in Beijing.

Naoko Okumoto is a seasoned entrepreneur and investor with two decades of experience in tech investment, cross-border business development and strategic partnership management. Ms. Okumoto is the Founder and Managing Partner of NIREMIA Collective, an early-stage venture capital fund focusing on health and wellbeing technology, and CEO of Amber Bridge Partners, a cross-border business advisory firm. She previously served as Vice President at Yahoo! Inc. in the U.S. overseeing joint ventures and began her career at Microsoft Corporation. Currently, Ms. Okumoto serves as a Non-Executive Director at Yappli, Inc. (listed on the Tokyo Stock Exchange), and previously served on the boards of S4 Capital plc (listed on the London Stock Exchange) and EdCast (acquired by Cornerstone OnDemand).

"Following our transformative merger with Mediagene in May 2023 and subsequent listing on the NASDAQ market in the United States in December 2024, we set out to bolster our C-Level and Board of Directors with talent from top global enterprises including leading global media brands, multinational corporates and top capital markets, finance, legal and venture capital firms. With today's appointments of TJ Park and Naoko Okumoto we add two incredible talents to our deep and growing bench of leadership. We are proud to be building a first-rate international legal and governance framework. We expect that these appointments will have a positive impact on our business with the implementation of best practices, global perspective and entrepreneurial spirit," Joey Chung, Founder and CEO commented.

"We are delighted to welcome TJ Park and Naoko Okumoto to our Company. Mr. Park's extensive experience at global law firms will enhance our institutional legal framework and will allow us to be more efficient and effective in both our daily operations and in implementing our broader strategy. Ms. Okumoto's over two decades of expertise and track record in building and optimizing businesses in Silicon Valley and APAC provides a wealth of experience we can draw on as needed and a strong addition to our Board of Directors and governance framework," Motoko Imada, Co-Founder and President commented.

Ms. Okumoto joins Marcus Brauchli, Joey Chung, Motoko Imada, Jim Wu, Priscilla Han and Lauren Zalaznick on the Company's Board of Directors.

Marcus Brauchli, Chairperson of the Board, is the former top editor of both the Washington Post and the Wall Street Journal. He also served in board and advisory positions in a number of other international media groups. Priscilla Han, Audit Committee Chair, is a Tokyo-based partner of venture firm Reapra. Lauren Zalaznick, Compensation Committee Chair, is a veteran U.S. media executive who has served as former Executive Vice President at NBC Universal and on the Board of Nielsen. She is currently also a Senior Advisor at the Boston Consulting Group and Chair of National CineMedia. Jim Wu, who previously served as Global Vice President of International Mergers and Acquisitions at Yahoo! Inc. and is currently Chief Corporate Affairs Officer, will also serve on the Nominating and Corporate Governance Committee. Additionally, the company has appointed Norman Pearlstine, a U.S. media executive who has served as the top editor at the Wall Street Journal, Time Inc. and the Los Angeles Times, and Chief Content Officer of Bloomberg L.P. as a senior advisor.

Audit Committee:
Chair: Priscilla Han
Members: Lauren Zalaznick, Naoko Okumoto

Compensation Committee:
Chair: Lauren Zalaznick
Members: Marcus Brauchli, Priscilla Han

Nominating and Corporate Governance Committee:
Chair: Naoko Okumoto
Members: Marcus Brauchli, Jim Wu

Senior Advisor:
Norman Pearlstine

About TNL Mediagene

Headquartered in Tokyo, TNL Mediagene was formed in May 2023 through the merger of Taiwan's The News Lens Co. and Japan's Mediagene Inc., two of the region's leading independent digital media groups. The company's operations span original and licensed media brands in Japanese, Chinese, and English, covering topics such as news, business, technology, science, food, sports, and lifestyle. It also offers AI-driven advertising services, marketing technology platforms, e-commerce, and innovative solutions tailored to the needs of advertising agencies. Known for its political neutrality, appeal to younger audiences, and high-quality content, TNL Mediagene has approximately 500 employees across Asia, with offices in Japan, Taiwan, and Hong Kong.

https://www.tnlmediagene.com/

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