
Leaders with Joe Cass
Welcome to Leaders, a podcast featuring long-form conversations with senior investors, CEOs, and entrepreneurs on topics that matter most to the investment community. In each episode, Joe Cass, Senior Director at S&P Global Ratings, explores market trends, investment outlooks, and personal stories from industry trailblazers. Listen now on Apple Podcasts, Spotify, YouTube, Amazon Music, and Deezer. This podcast series was formerly known as Fixed Income in 15.
Latest episodes

Jun 24, 2025 • 29min
Ken Griffin on Building Citadel, AI & Independent Thinking
In this episode, Joe is joined by Ken Griffin, CEO & Founder of Citadel and Martina Cheung, CEO & President of S&P Global. Discussion covered Ken and Martina’s early careers, independent thinking in the era of AI, defining market ‘edge’ in 2025 and the upcoming 2026 Football World Cup hosted in North America.

Jun 4, 2025 • 24min
Whoop’s Will Ahmed on The Future of Healthcare & Cristiano Ronaldo
In this episode, Joe is joined by Will Ahmed, CEO & Founder of Whoop and Arthur Wong, Managing Director at S&P Global Ratings. Discussion covered the evolution of healthcare, the power of wearable technology and Will’s experience with top athletes like Cristiano Ronaldo and their health journey.

Apr 17, 2025 • 40min
Macquarie’s Ben Way on Infrastructure, Datacenters & Being Present
In this episode, Joe is joined by Ben Way, Group Head of Macquarie Asset Management and Andrea Quirk, Global Head of Credit Ratings at S&P Global Ratings. Discussion covered the explosion in growth of datacenters, how AI is driving demand for digital infrastructure and Ben’s view of being present in the moment throughout your career.

Mar 24, 2025 • 31min
Invesco CEO Andrew Schlossberg on Asset Management, AI & Football Culture
In this episode, Joe is joined by Andrew Schlossberg, President & CEO at Invesco, and Dan Draper, CEO at S&P Dow Jones Indices. Topics included Andrew’s journey from Invesco’s corporate training program to CEO, Dan’s perspective on the evolution of index-based investing, Andrew’s insights on AI integration in asset management, and Dan’s view on the future of the indexing business. The conversation also covered major industry trends, leadership advice for aspiring professionals, and experiences with football culture in London.

Feb 20, 2025 • 44min
Ep55: CalPERs CEO Marcie Frost on Private Markets & Building Her Career
In this episode, Joe is joined by Marcie Frost, CEO of CalPERS and Martina Cheung, CEO & President of S&P Global. Topics included Marcie’s current view of the role of private assets in CalPERS portfolio, Martina’s initiative and growth areas for 2025, Marcie’s progression from typist to CEO and Martina’s memories of breaking the gavel at the New York Stock Exchange.

Jan 29, 2025 • 28min
Ep54: Apollo’s John Zito on Private Credit, His Career Path & Leadership
In this episode, Joe is joined by John Zito, Co-President of Apollo Asset Management and Alex Birry, Global Head of Credit Research at S&P Global Ratings. Topics included views on private credit and the evolution of private markets, John’s career trajectory to Apollo, Alex on global mega trends and John’s advice for managing high performing teams.

Nov 21, 2024 • 36min
Ep53: Ares' Michael Arougheti on Private Markets, Founding Ares & the Baltimore Orioles
In this episode, Joe is joined by Michael Arougheti, CEO & Co-Founder of Ares and Lynn Maxwell, Global Chief Commercial Officer at S&P Global Ratings. Topics included Mike’s memories of co-founding Ares, the rise in popularity of private markets and how Mike was offered co-ownership of the Baltimore Orioles.

Oct 29, 2024 • 32min
Ep52: Blackstone’s Jon Gray on Private Markets, Career Advice & Jogging on LinkedIn
In this episode of FI15, Joe is joined by Jon Gray, President & Chief Operating Officer at Blackstone and Doug Peterson, CEO & President of S&P Global. Discussion covered Doug’s upcoming retirement, Jon on the future of private markets and infrastructure, Doug on GenAI and Jon on his viral jogging videos on Linkedin. This episode was recorded and published prior to Doug's retirement as CEO & President, he is now Special Advisor at S&P Global.

Oct 9, 2024 • 35min
Ep51: Richard Attias On FII8 & Networking With Super VIPs
In this episode of FI15, Joe is joined by Richard Attias, CEO & Founder of Richard Attias & Associates and CEO of the FII Institute. Topics included the upcoming FII Institute event in Riyadh, Richard’s relationship with H.E Yasir Al-Rumayyan, how to successfully build senior relationships and Richard’s networking tips to progress your career.

Sep 4, 2024 • 43min
Ep50: Mohamed El-Erian on how AI is changing investing
In this episode of FI15, Joe is joined by Mohamed El-Erian, President of Queens' College, University of Cambridge and Sudeep Kesh, Chief Innovation Officer at S&P Global Ratings. Topics discussed included the potential impact of AI on investing and portfolio management, how Mohamed incorporates data into his views, Sudeep on AI in movies and music and Mohamed’s relationship with the Gen Z students at Queens'.