The Andretti Global Team

Dan Towriss is a visionary leader driving innovation and transformation across a wide range of businesses.  As CEO of TWG Motorsports, Dan played a pivotal role in securing the landmark Cadillac Formula 1 team in partnership with General Motors, and TWG has acquired a broad racing portfolio that includes Andretti Global, Wayne Taylor Racing, and Spire Motorsports. Dan is building TWG Motorsports to bring innovation, operational excellence, and financial strength to a global motorsports enterprise that expects to win at the highest levels. 

And as founder and CEO of Group 1001, a dynamic financial services company, he applies more than 30 years of experience to drive growth, strategy, and operational excellence. Under Dan’s leadership, Group 1001 has amassed combined assets under management of more than $66 billion.  

Beyond an impressive track record in business, Dan is deeply committed to empowering communities.  He invests in impactful organizations and serves on boards such as the Cal Ripken Sr. Foundation, RISE, and Indy Women in Tech. Through these efforts, he strives to empower the next generation through sports and education, while fostering long-term community development.

Newly announced President of Andretti Global and Chief Operating Officer of TWG Motorsports, Jill Gregory is an acclaimed sports marketer and motorsports executive who previously served as executive vice president and general manager at Sonoma Raceway and executive vice president and chief marketing and content officer at NASCAR. She has also held pivotal roles leading sports investment efforts for brands like Bank of America, Sprint and VISA. During her tenure at NASCAR, Gregory revamped the organization’s marketing, content and fan development strategies to elevate strategic planning and enhance collaboration across the industry. She was twice named by Adweek one of “The Most Powerful Women in Sports’’ and is part of the FIA Women in Motorsports Commission. 

Growing up the son of racing legend, Mario Andretti, Michael Andretti’s journey is nothing short of a thrilling race.

In the high-octane realm of INDYCAR racing, Michael carved his path to glory during the 1980s and 1990s. His skills behind the wheel captured the hearts of fans and earning him numerous victories..

Michael’s passion for racing didn’t stop at being a driver. For over 20 years, Michael commanded the racing board room, and his teams not only competed but exceled, showcasing a prowess that mirrored his own racing days. Today, as a strategic advisor to the race team, Michael remains committed to excellence.

After a successful career as Andretti Global’s president and serving the race team since 2006, J-F Thormann is putting his racing acumen to work with increased focus on finding and developing tomorrow’s racing talent. His overall managerial, business administration and strategic planning will serve up-and-coming racing talent as they forge forward with their motorsport journey.

A graduate of Towson University in Baltimore, Thormann spent many years in the petroleum industry before becoming Michael Andretti’s closest business advisor, working alongside Michael for nearly five decades.

Thormann owned and operated successful retail sites for Shell, Texaco and Sunoco. He was also the Managing Director for the International Retail Corporation, which operated 17 high-volume Amoco, Mobil and Sunoco service stations on the Eastern Seaboard interstate highways. Thormann proudly serves on the Board of Directors for Check It 4 Andretti.

Rob Edwards brought nearly 30 years of racing experience when he joined Andretti in early 2015. Edwards is responsible for programs across all of Andretti’s racing efforts, currently totaling 12 racing teams with over 170 crew members and engineers under his direction.

American born and UK raised, Edwards boasts an educational background from both sides of the pond with a BSc in Engineering Science and Mathematics from Reading University in England, along with an MBA from the Kelley School of Business at Indiana University.

The motorsport roots for Edwards date back to 1986 when his racing career began as the Design Engineer at Tiga Race Cars working alongside former F1 pilot Howden Ganley. Edwards went on to serve as a race engineer, engineering manager, team manager and general manager during his 16-year tenure with Walker Racing.

Through a 1994 summer internship with Bettenhausen Motorsport, Doug Bresnahan discovered his love for the motorsport industry. Now decades later, Bresnahan went from cleaning race shops to serving as the Chief Commercial Officer for Andretti Global.

Bresnahan spent a year selling racing insurance before joining CART’s marketing and client services team, where he worked for nearly 10 years before joining Andretti’s sales and marketing department in 2007.

The Indiana-native is a graduate of Indiana University, where he studied Sports Marketing. Bresnahan has put his degree to work over the past 20 years gaining expertise in race promotion, experiential marketing, contracts, sales and partner activations.

Having joined Andretti in the spring of 2014, Roger Griffiths serves as the Team Principal for the Andretti Formula E and has led the team to 11 wins, 37 podiums and a Driver’s World Championship title across 11 seasons. Griffiths’ vast background in many motorsports endeavors includes Formula One, INDYCAR, WEC, ALMS, ELMS, Extreme E and Super Touring Cars. He also served as the Technical Director for Honda Performance Development, where he experienced success during the ‘competitive manufacturer era’ at the Indy 500 in 2004, 2005 and 2012 and 2004, 2005 and 2013 Driver’s Championships as well as a World Sportscar Championship in 2012. He was the recipient of the Louis Schwitzer Award in 2011. The UK native is an engineering graduate of Loughborough University of Technology (1991) and the year following his graduation, Griffiths earned his master’s degree in Automotive Product Engineering at Cranfield Institute of Technology.​ He became a Fellow of the Institute of Mechanical Engineers in 2020.

Marissa Andretti serves as Vice President of Andretti Global advising and strategizing on the team’s racing programs from a commercial perspective. She is currently spearheading the build of the new Andretti Global Headquarters in Fishers, Indiana. Nestled near the Ritchey Woods Nature Preserve, this state-of-the-art 575,000 square foot facility will house Andretti Global’s current racing teams as well as serve as a key destination for the greater Indianapolis area

With racing in her DNA, Marissa has a deep passion for the sport. Upon graduating from college with degrees in business, sports management and marketing, she began her career in experiential marketing in South Florida but longed for the thrill of being back at a racetrack and the joy of being part of a team. In 2015, Marissa officially joined the family business helping expand partnerships and activations. With an interest in racing operations, she later grew into a project management role for the team’s branding-initiatives.

Outside of the race team, Marissa is involved in several organizations including being an active member of Women in Motorsports North America working groups, the Indianapolis Airport Authority Advisory Committee, the Sports Tech HQ Advisory Board and is an Honorary Chair with Gleaners Food Bank of Indiana.

Native of northern Indiana, Ryann Weatherford is no stranger to the world of motorsport. Well-versed in all principles of the sport, Weatherford oversees the commercial department serving as the Vice President of Partnership Activations and Communications.

A graduate of Purdue University, Weatherford has been an asset to the Andretti Autosport team since 2007. After over a decade working alongside Michael Andretti, Weatherford’s experiences come from the worlds of INDYCAR, INDY NXT, Indy Pro 2000, USF2000, A1GP, GRC and ARX, Formula E, Extreme E, IMSA and GT4 America. With 15 series championships and three Indianapolis 500 victories on her resume, she has worked with numerous global brands and over 75 drivers including names like Marco Andretti, Tanner Foust, Danica Patrick, Fernando Alonso, Kurt Busch, Marcus Ericsson, and Ryan Hunter-Reay.