Breakfast of Corporate Champions

Martina L. Cheung is President, CEO, and a member of the Board of Directors of S&P Global.

Previously, Ms. Cheung was President of S&P Global Ratings and served as the Executive Lead of S&P Global Sustainable1. Earlier, she was President of S&P Global Market Intelligence.

Ms. Cheung joined the Company in 2010 as Vice President of Operations for S&P Global Ratings and went on to serve as S&P Global’s Chief Strategy Officer. She also was Head of Risk Services for S&P Global Market Intelligence.

Prior to joining S&P Global, Ms. Cheung worked for Accenture’s Financial Services Strategy group and later as a Partner at Mitchell Madison Consulting.

Barron’s recognized Ms. Cheung as one of the 100 Most Influential Women in U.S. Finance in 2025. Ms. Cheung was named one of the Most Powerful Women in Finance by American Banker and included on the list of Influential Women  in Institutional Investing by Pensions & Investments in 2024. Also in 2024, INvolve named her to its 100 Empower Executives list for the second consecutive year. Ms. Cheung received the Merit Award from The Women’s Bond Club in  2022.

Ms. Cheung is a member of the Council on Foreign Relations and the Economic Club of New York.

Ms. Cheung served on the Board of Trustees for Catholic Charities New York and was a member of the Board of CRISIL, a global analytics company and India’s leading credit ratings agency.

She holds a bachelor’s degree in commerce and a master’s degree in business studies from National University of Ireland, Galway.

Jim Fitterling is Chair and Chief Executive Officer for Dow Inc., one of the world’s leading materials science companies with 2025 sales of approximately $40 billion. He became CEO in July 2018 and was elected Board Chair in April 2020. Previously, he served as Chief Operating Officer for the Materials Science Division of DowDuPont, an $86 billion holding company.

Fitterling has played a key role in Dow’s transformation from a lower-margin, commodity company to one deeply focused on higher-growth markets that value innovation – with the ambition to be most innovative, customer-centric, inclusive, and sustainable materials science company in the world.

He joined Dow in 1984 and served in a variety of sales, marketing, supply chain, corporate development, and business operations positions, including spending more than 10 years in leadership roles across Asia.

At his direction, Dow became a founding member of the Alliance to End Plastic Waste (AEPW) to drive innovation, increase much-needed resources, and take decisive actions to put an end to plastic waste in the environment. Additionally, he served as the business lead in Dow’s launch of its next-generation sustainability goals and drove the introduction of its accelerated plastics circularity and climate and greenhouse gas emissions reduction targets.

A passionate advocate for inclusion, Fitterling leads Dow’s drive to diversify its global talent and is widely recognized for his work supporting non-discrimination and workplace equality.

Byron Loflin is the Global Head of Board Advisory at Nasdaq where he leads the governance team in driving board and governance effectiveness. Byron founded Center for Board Excellence (CBE) in 2010 and was CEO until it was acquired by Nasdaq in 2019. Prior to CBE, Byron was the CEO and president for two private companies between 1992-2009. Byron is the architect and developer of a governance platform and tools used by thousands of board members globally.

Along with speaking on and teaching corporate governance effectiveness, Byron has co-authored the book CEO Ready with Mark Thompson and being published by Harvard Business Review, November 2025. The book draws insights from their over 25 years of experience with board dynamics including CEO succession. Byron is a graduate of James Madison University (BA) and Harvard Business School (OPM) and an active learner with several HBS Executive Education Certificates including Havard’s Board Effectiveness program.

Recently published:
Driving Excellence: Redefining AI Governance videocast with Steven Wolfe Pereira, July 2025
“Trust and the Interplay of Confidence and Accountability”, International Banker February 2025
“Enterprise Risk Management for Next-Gen Boards”, Nasdaq January 2025

Shannon Nash is a global C-suite leader, Qualified Financial Expert, attorney, and CPA with more than 30 years of experience across technology, finance, and governance. She currently serves as a Partner at Alpha AI, where she helps boards and executive teams strengthen AI governance, risk oversight, and strategic decision-making.

Shannon was formerly the CFO of Wing, an Alphabet company, where she led global finance, operations, and partnerships for the autonomous drone delivery pioneer, scaling the organization through a period of significant global expansion and regulatory milestones. Her executive track record also includes CFO roles at Reputation.com and Inside Source, and senior finance leadership at Amgen and Cumulus Media. She began her career at KPMG and Cooley LLP.

An experienced independent board director, Shannon is a 2025 NACD Directorship 100 honoree and one of Silicon Valley’s 100 Most Influential Women. Shannon was recently appointed to the Advisory Council of the Nasdaq Center for Board Excellence, joining 12 accomplished public company board directors helping shape the future of corporate governance. She serves on the boards of NetScout Systems (NASDAQ: NTCT, Audit Committee), SoFi Bank (subsidiary of NASDAQ: SOFI, Chair, Compensation Committee), and Lazy Dog Restaurants (Chair, Audit Committee). She also chairs the Audit Committee of the Silicon Valley Community Foundation, overseeing more than $16B in assets.

Shannon is also the creator and host of No Boxes: Just Verses, a globally acclaimed leadership podcast that ranks in the Top 5% of all podcasts worldwide and has charted internationally. She brings a distinct vantage point to the microphone: that of a fellow operator and C-suite peer. Leveraging her decades of operational experience, Shannon facilitates high-level strategic dialogues that blend deep business relevance with the personal stories—the “verses”—that shape great leaders.

In addition to her podcast, she is an award-winning film producer with premieres at numerous festivals, including Tribeca (OnBoard) and a win at the American Pavilion in Cannes (Colored My Mind). She holds both a BS in Accounting and a JD from the University of Virginia.