Amb. Trevor Traina is a serial entrepreneur having founded and co-founded five successful technology companies, which were all sold to acquirers such as Microsoft, Mastercard, and Intuit. He is currently Head of Business Development and Partnerships for Tools for Humanity, a technology company focused on developing tools for digital identity and blockchain. Amb. Traina took a break from the tech industry to serve as the Ambassador to Austria from 2018 to 2021 and is credited with helping usher in an era of “new closeness” between the two countries.

In a fireside chat format, Amb. Traina discusses his entrepreneurship endeavors, the leadership lessons he has learned in both tech and public service, and where he sees the tech industry heading in the future.

Aravind Srinivas co-founded Perplexity in 2022 because of his own curiosity about a more transparent and verifiable AI-powered search experience while he was a researcher at OpenAI, Google, and DeepMind. Through his leadership, Perplexity is one of the largest AI companies, with a base of over 30 million active users and 780 million inquiries. His work Questions the Status Quo in the constantly evolving landscape of AI.

In a fireside chat format, Aravind discusses his journey as a founder, shares insights on the expansion of the AI landscape, and reflects on the impact of Perplexity’s mission to support the world’s curiosity. The session concludes with an audience Q&A.

Listen to the full conversation here.

David Ko, CEO of the sleep and meditation app Calm and author of the book Recharge, shares his leadership journey from investment banking to purpose-driven leadership. Since 2022, he’s guided Calm’s work in over 190 countries, supporting millions of people seeking to improve their wellbeing.

Ko describes “the battery check,” a simple framework for starting conversations about mental health, describes how burnout happens when leaders don’t explain the “why” behind decisions, and shares some candid personal anecdotes.

The conversation is hosted by Professor Sameer Srivastava and led by UC Berkeley Haas students Avanika Lal and Esa Tilija, both MBA 26. The joint Dean’s Speaker Series and Berkeley Center for Workplace Culture and Innovation event took place at the Haas School of Business on September 30, 2025.

• This talk at the Haas School of Business was originally live streamed on May 1, 2025.
• Read more about the UC Berkeley Haas Dean's Speaker Series and upcoming speakers.
• Read more about the Haas School of Business.
• Read the full transcript here.

As managing director for the engineering and design consultancy Ramboll, Cheryl Ginyard-Jones oversees more than 2,000 professionals across the Americas dedicated to developing cutting-edge technologies that mitigate climate change. Over her distinguished career, spanning roles at Worley, Advision, Verizon, and BP, Cheryl has significantly influenced growth, innovation, and operations within the green energy sector.

In this fireside chat, Ginyard-Jones shares insights into her unique career path, her leadership in achieving sustainability goals, and the broad impact of Ramboll’s work across various communities. The session concludes with an audience Q&A.

This event is co-sponsored by the Center for Responsible Business Peterson Speaker Series.

• This talk at the Haas School of Business was originally live streamed on April 16, 2025.
• Read more about the UC Berkeley Haas Dean's Speaker Series and upcoming speakers.
• Read more about the Haas School of Business.
• Read the full transcript here.

The UC Berkeley Dean's Speaker Series podcast is a production of the Haas School of Business at the University of California, Berkeley. This production is made possible by our:

• Haas Events team: Sarah Bottger, Carrie Hults, Meg Fellner
• Podcast production team: Jordan Joseffer, Laura Counts, Stella Kotik
• Dean’s Speaker Series Student Board: Ashley Wong, Budi Sosrodjojo, David Bravo, Fernanda Ortolan, Luis Sante, Olivia Halas-Dias, Punit Vyas
• Interim Dean Jennifer Chatman
• Berkeley AV Production Team

David Sabow joined HSBC as Head of Technology & Healthcare in 2023 to establish a dedicated banking practice focused on the innovation economy, empowering forward-thinkers, and future makers who are questioning the status quo. His two-decade career has centered on innovation banking. David previously held several roles at Silicon Valley Bank, which includes leading the Technology & Healthcare Division, focusing on venture capital relationship management and new opportunity organization, and running the Life Science & Healthcare Business.

In a fireside chat format, David discusses his career journey in banking, how he works in the innovation space, the influence of AI on investment strategies, and gives advice to students who want to break into venture capital.

• This talk at the Haas School of Business was originally live streamed on February 12th, 2025.
• Read more about the UC Berkeley Haas Dean's Speaker Series and upcoming speakers.
• Read more about the Haas School of Business.

The UC Berkeley Dean's Speaker Series podcast is a production of the Haas School of Business at the University of California, Berkeley. This production is made possible by our:

• Haas Events team: Sarah Bottger, Carrie Hults, Meg Fellner
• Podcast production team: Jordan Joseffer, Laura Counts, Stella Kotik
• Dean’s Speaker Series Student Board: Ashley Wong, Budi Sosrodjojo, David Bravo, Fernanda Ortolan, Luis Sante, Olivia Halas-Dias, Punit Vyas
• Interim Dean Jennifer Chatman
• Berkeley AV Production Team

In a fireside chat format, Interim Dean Jenny Chatman shares the origin story of the Defining Leadership Principles and how they have evolved over 15 years. She shares some of our community’s personal DLP stories, as well as our school's aspirations for the DLPs for the future.

A panel of Haas alumni, Elena Gomez, BS 91, Chief Financial Officer, Toast, Inc.; Marc Singer, BS 86, Senior Partner Emeritus, McKinsey & Company; and Sean Li, MBA 20, Founder, University FM and OneHaas Podcast Host, then discuss how the Defining Leadership Principles have resonated with their work and influenced their leadership journey.

We want to hear from you! Please share your story of the Haas Defining Leadership Principles here: https://haas.org/DLPstories. Some of these stories will be shared during the event.

Jensen Huang, co-founder and CEO of Nvidia, solved the 3D graphic challenge for the personal computer in 1999 with the company’s release of the first-ever graphics processing unit (GPU).

Now the company's powerful chips are a driving force behind the acceleration of AI and advanced computing.

In this archive edition of the Dean's Speaker Series podcast, Huang talks about the ways that Nvidia is constantly inventing itself. “Creating something out of nothing is a skill that I think every company or startup needs to have,” he said. “The energy of looking for something new—a new way of doing something—is always there.”

• This talk at the Haas School of Business was originally live streamed on January 31, 2023.
• Read more about the UC Berkeley Haas Dean's Speaker Series and upcoming speakers.
• Read more about the Haas School of Business.

The UC Berkeley Dean's Speaker Series podcast is a production of the Haas School of Business at the University of California, Berkeley. This production is made possible by our:

• Haas Events team: Sarah Bottger, Carrie Hults, Meg Fellner
• Podcast production team: Jordan Joseffer, Laura Counts, Stella Kotik
• Dean’s Speaker Series Student Board: Ashley Wong, Budi Sosrodjojo, David Bravo, Fernanda Ortolan, Luis Sante, Olivia Halas-Dias, Punit Vyas
• Interim Dean Jennifer Chatman
• Berkeley AV Production Team