Meet The Team

Meet The Team

It’s not about ideas, it’s about making ideas happen.

David Lewis – Co-Founder and CEO

David is Co-Founder and CEO of Pinnacle Performance Company, a global training firm that has revolutionized presentation and communication skills training. He is also co-inventor of The Pinnacle Method™, a unique and innovative learning system that meshes time-tested performance delivery techniques with contemporary business skills.

Prior to launching Pinnacle, David spent a number of years in executive-level sales and marketing positions at Fortune 500 companies and hi-tech/internet start-ups. He is an accomplished actor / producer and is also a member of the Screen Actors Guild with a number of stage, film, and commercial credits.

G. Riley Mills – Co-Founder and COO

G. Riley Mills is the Co-Founder and COO of Pinnacle Performance Company and co-author of TheBullseye Principle. He has coached some of the world’s top executives across six continents. He currently writes for Forbes and was included in a list of “Top 100 Leadership Speakers” by Inc. Magazine.

Mills has guest-lectured or delivered keynotes at such events and institutions as Columbia University, ATD (international conference), London Chamber of Commerce, New York University, London Business School, SHRM (international conference), Singapore Management University, Manchester United and the Royal Household at Buckingham Palace.

Gerri Leon – EVP of Marketing and Operations

With over 25 years of design and marketing experience, Gerri has contributed to the brand building and global marketing initiatives of global technology, biotech, and medical diagnostic companies and she now serves as Pinnacle’s Executive Vice President for Marketing and Operations.

She has developed advertising campaigns, marketing collateral, multimedia, and architectural design projects for many products. Gerri started as a designer but learned early on that she had a talent not only for creativity but for marrying it with the analytical process side of business. Out of this, she has developed a specialization in integrated marketing communications and operations.

Brian McNeany – EVP of Global Sales

Brian is the Executive Vice President of Client Relationships for Pinnacle Performance Company. He has over 20 years of corporate experience and began his career with Andersen Consulting (Accenture).

Brian has held a variety of leadership roles, including product manager, business development executive, call center director, and vice president of global partnerships. Past clients include American Express, Comcast, John Hancock, Banana Republic, Sears, and Qualcomm.

Lizzie Yirrell – Head of UK, Europe, Middle East, and Africa

Lizzie Yirrell is Pinnacle’s Head of UK, Europe, Middle East and Africa, as well as a certified Master Instructor. To Pinnacle she brings years of enterprise management and innovative curriculum construction for some of the most influential organisations in the UK, Europe and Middle East. For the last decade Lizzie has developed and managed global programs for Pinnacle.

Prior to Pinnacle, Lizzie held a similar role at the Royal Central School of Speech and Drama managing their actor training for the corporate sector. In addition, Lizzie has been a tutor and guest lecturer at a number of drama schools, as well as an education manager for the Ambassador Theatre Group.

Lizzie trained at the Royal Central School of Speech and Drama and holds a BA (First-Class Honours) in Applied Theatre and Education and MA (Distinction) in Voice Studies.

Aarti Gupta – Partner, India and Sri Lanka 

Aarti Gupta is a Partner with Pinnacle Performance Company. Her focus is to expand the Pinnacle footprint in India and Sri Lanka. 

Prior to joining Pinnacle, Aarti was the Global Head, Talent & Learning at Capgemini’s Financial Services Strategic Business Unit. In her 19-year tenure with Capgemini, she handled a variety of roles such as Leadership Curriculum Director for Capgemini University, Head-HR India & Asia Pacific, and Head-HR North America & Europe. She set up the India University for the Capgemini Group and also set up the Enterprise Learning Services Practice providing Learning solutions to external clients. 

Tim Kasper – VP of Sales, US Southeast

Emmy Award-winning Tim Kasper is the Vice President for the Southeast Region of Pinnacle Performance Company.

As an artist, he has been performing since the age of 13. He received much of his early training at the prestigious Trollwood Performing Arts School and under the tutelage of Broadway veterans Eddie and Kathy Gasper.

While an advertising major at the University of St. Thomas in St. Paul Minnesota, his love of performing called him back to tour with his vocal band, The Blenders ( They’ve been together since 1990 and are still going strong.

Connor McNamara – Director of Training

Connor is the Director of Training for Pinnacle.  Prior to Pinnacle, Connor served as a creative consultant across the US for both evolving and established companies, aiding in new-product ideation, marketing strategies, branding, slogan writing, and campaign development. He has worked alongside top-executives for many recognized organizations, often in tandem with such research and consulting firms as TNS Qualitative and Maddock Douglas.

Connor has also worked professionally as both a writer and an actor in the Chicago area. He has performed with many renowned theatre companies and is a proud graduate of The School at Steppenwolf. His written work has been most recently published by ink&coda magazine.

Connor holds a BA in English literature with a focus in creative writing. He lives in Chicago.

Regan Gausselin – Director, Global Executive Accounts

Regan (Kelly) Gausselin is Director of Global Executive Accounts at Pinnacle Performance Company.

After graduating with a Bachelor of Science from the University of St. Thomas in St. Paul, Minnesota, Regan went on to the prestigious Erikson Institute, the nation’s premier graduate school in child development.

Her in-depth understanding of human development and skills acquisition provide her with rare insight when it comes to understanding HR development needs at Pinnacle.

Brad Lawrence – Senior Master Instructor and Editorial Director

Brad Lawrence is the longest-tenured of Pinnacle’s Master Instructors, having been with the company since its inception in 2004. Over the years Brad has trained thousands of people from diverse countries, cultures, and professions in the Pinnacle Method.

In addition to his training responsibilities, Brad serves as Pinnacle’s Editorial Director for newsletters, curricula, promotional material, and web content. If there’s a Pinnacle word in print or online, it’s p​robably passed by his desk at some point.

Brad is also an occasional adjunct professor of theatre and a successful Kickstarter creator. He lives in Chicago.