What makes a business capable of compounding earnings over decades, and how can investors recognize when its competitive advantages are changing? In today's episode, hosts Michael Mauboussin and Tano Santos welcome Jim Engle, president of John W. Bristol & Company, to explore his firm's approach to identifying "corporate athletes" with durable competitive advantages and long-term growth potential. Jim reflects on his early investing experiences, the importance of disciplined valuation, and the challenges of assessing emerging technologies. He also discusses portfolio concentration, the impact of artificial intelligence on established businesses, and the role of liquidity and asset allocation in institutional investing. Along the way, Jim shares how Bristol's collaborative research process helps the team evaluate risk, challenge assumptions, and identify investment opportunities, and much more! Key Topics: Jim's upbringing in Arizona and early academic experiences (3:15) His introduction to value investing and early career at DLJ (4:14) Lessons from investing in regional banks and recognizing competitive advantages (9:46) Transition to John W. Bristol and the importance of investment culture (11:15) Identifying corporate athletes through durable competitive advantages and growth potential (12:45) Nike and the challenges of maintaining competitive advantages (14:13) Evaluating capital allocation and returns on incremental investment (16:20) Understanding sources of growth and the difficulty of predicting new markets (18:56) Bristol's valuation framework and approach to forecasting long-term earnings (20:56) Progressive Insurance and the economics of market share growth (22:38) Integrating artificial intelligence into the investment research process (26:03) Portfolio concentration and Bristol's investments in the Magnificent Seven (28:37) ServiceNow, Workday, and the potential impact of AI on enterprise software (33:18) Competitive advantages in financial services: Moody's, S&P Global, and JPMorgan (37:07) Managing portfolio risk through fundamental research and valuation discipline (42:50) Comparing Bristol's investment approach with the Yale endowment model (45:38) Encouraging independent perspectives through overlapping research responsibilities (49:05) Opportunities and risks emerging from the artificial intelligence revolution (51:29) Jim's recommended books, shareholder letters, and lessons from investing history (53:58) And much more! Mentioned in this Episode: Companies and Organizations John W. Bristol & Company Nike Progressive Insurance Meta Microsoft Alphabet Amazon Apple Tesla NVIDIA ServiceNow Workday Moody's S&P Global JPMorgan Chase Marvell Technology Sherwin-Williams Anthropic (Claude) OpenAI (ChatGPT) Books and Recommended Reading Hamilton Helmer – 7 Powers: The Foundations of Business Strategy John Train – The Money Masters Ulysses S. Grant – Personal Memoirs Michael Porter – Competitive advantage framework Warren Buffett – Annual shareholder letters Jamie Dimon – JPMorgan Chase annual shareholder letters Andy Jassy – Amazon shareholder letters Thanks for Listening! Be sure to subscribe on Apple, Google, Spotify, or wherever you get your podcasts. And feel free to drop us a line at valueinvesting@gsb.columbia.edu. Follow the Heilbrunn Center on social media on Instagram, LinkedIn, and more This episode was produced by Columbia Business School with the participation of John W. Bristol & Co. Inc. ("JWB"), an SEC-registered investment adviser. Registration does not imply a certain level of skill or training. The views expressed by James Engle, JWB's President, are his own as of October 16th 2026 and are subject to change without notice. The hosts' and interviewee's views are their own. The topics discussed were selected by the hosts; Mr. Engle referred to other companies as examples. As of October 16th 2026, JWB client accounts and/or JWB personnel held positions in Microsoft, Alphabet, Meta, Apple, Tesla, Nvidia, ServiceNow, Workday, Sherwin-Williams, Marvell Technology, JPMorgan Chase, Moody's, S&P Global, Costco; positions may change at any time without notice. The research paper by Dr. Cristian Tiu that was referenced used JWB-provided historical performance data. JWB compensated Dr. Tiu while the study was completed. This episode is general information about JWB's investment approach and is not investment advice or a recommendation to buy or sell any security. Investing involves risk, including the possible loss of principal, and no view or approach discussed assures a profit. JWB did not compensate Columbia Business School or the hosts for this episode. A JWB employee, a recent Columbia MBA graduate, suggested JWB's participation.