Our Leadership Team

Lou Rassey headshot

Lou Rassey


Lou has a 20-plus-year career driving innovation in the manufacturing sector, and is a recognized leader on matters related to manufacturing, industrial innovation and competitiveness. Prior to Fast Radius, Lou was a Partner at McKinsey & Company where he co-led the firm’s global research and advisory efforts on the “Future of Manufacturing.” Lou has helped Fortune 100 executives, start-ups and government leaders in developing and executing strategies to compete in the digital industrial age. He also founded TRG, an industrial-tech-focused advisory and investment firm, and spent the first chapter of his career in engineering and manufacturing in the auto industry. He has an MBA and MS in Mechanical Engineering from MIT where he was a LFM Fellow, a MS from Michigan-Dearborn, and BS from Notre Dame.

Pat Mccusker headshot

Pat McCusker


Pat leads commercial and financial operations. Prior to Fast Radius, Pat was President, North America at InnerWorkings (NASDAQ: INWK), a technology-enabled marketing services firm. Prior to InnerWorkings, Pat was an Associate Partner with McKinsey & Company, where he served technology clients across a wide range of functions. Before McKinsey, Pat held cross-functional leadership roles at multiple early-stage growth companies. Pat holds an MBA from the University of Chicago and a BA from the University of Notre Dame.

Bill King headshot

Bill King


Bill is Chief Scientist at Fast Radius. Outside of Fast Radius, Dr. King is Professor and Andersen Chair in the Department of Mechanical Science and Engineering at the University of Illinois Urbana-Champaign. He was the founding Chief Technology Officer at the Digital Manufacturing and Design Innovation Institute, one of the first national manufacturing institutes in the United States. He has authored 225 journal articles and 20 patents. He is a Fellow of the American Society of Mechanical Engineers, The American Association for the Advancement of Science, and the American Physical Society. He holds a Ph.D. from Stanford University.

John Nanry headshot

John Nanry

Chief Manufacturing Officer, Co-Founder

John is a co-founder at Fast Radius, and currently leads the Operations and Engineering teams. He brings to Fast Radius deep expertise in designing, building and executing production systems leveraging the latest digital technologies. Prior to Fast Radius, John led the Digital Manufacturing Practice for McKinsey & Company, where he helped clients navigate their digital transformations. John holds his BSE and MSE from the University of Michigan, and his MBA from Northwestern.

Prithvi Gandhi headshot

Prithvi (Prith) Gandhi

Chief Financial Officer

Prith leads all financial operations. Prior to joining Fast Radius, Prith served as Interim CFO at Owens Corning, where he also served as VP of corporate strategy, corporate development and financial planning & analysis. Before Owens Corning, Prith worked for Dover Corp. as VP of corporate development where he was responsible for M&A, strategy and investments. Previously, he was VP of corporate development at Zebra Technologies Corporation, where he was responsible for M&A, strategic investments, and corporate strategy and led the newly-formed RFID business as CFO. Before his experience at Zebra, Prith spent 11 years with Morgan Stanley in proprietary trading and technology M&A. He earned his BS in mathematics and economics from UC Berkeley, his MA in international economics from Georgetown, and his MBA in accounting and finance from the Wharton School of Business.

Julie Springer headshot

Julie Springer

Chief Marketing Officer

Julie leads marketing and brand at Fast Radius. She brings more than 30 years of marketing experience for fast-growing, technology-driven companies and directs Fast Radius’ global marketing strategy, including brand management, performance marketing, and communications. Prior to Fast Radius, Julie served as Executive Vice President and Chief Marketing Officer at TransUnion, where she led marketing through TransUnion’s initial public offering in 2015. Previously, she held leadership positions at Experian, Leapfrog Online, and the Allant Group. Julie also serves as a board member for the Jumpstart Coalition for Personal Financial Literacy and serves on the advisory board at Marcel Digital, a digital advertising agency. She has a BA from Arizona State University.

Erin Stone General Counsel and Corporate Secretary

Erin Stone

General Counsel and Corporate Secretary

Erin oversees all legal and compliance matters for Fast Radius. She is an important strategic and legal advisor to Fast Radius’ board of directors and management. Erin brings more than 15 years of legal experience working with technology-driven businesses and public companies. Prior to Fast Radius, she served as Vice President and Deputy General Counsel, Corporate and Securities at Groupon (Nasdaq: GRPN), where she was a key advisor and trusted partner to their executive team and board of directors. She has strong technical expertise in corporate governance and securities, and broad commercial experience from her tenure at Groupon and as a corporate partner at Winston and Strawn LLP.

Gus Pinto headshot

Gus Pinto


Gus leads product, design, and software for Fast Radius. Prior to joining Fast Radius Gus served as Chief Product Officer at Bellhops, where his team built a platform that uses software to revolutionize the customer experience and economic model of an industry that has historically let customers down. Gus served as VP, Product and Engineering at Magic Leap helping create a spatial computing platform that dissolves the barriers between the digital content we love and the physical world around us. Prior to Magic Leap, Gus was the Head of Mobile and Cloud Engineering at Citrix. During his tenure he led the creation and development Citrix’s mobile business to over 100MM users. Gus started his career at Microsoft as a Software Engineer.

Brian Simms headshot

Brian Simms


Brian leads the sales organization at Fast Radius. Prior to Fast Radius, Brian was Chief Sales Officer of Rubicon Global where he led sales and marketing through the company’s biggest growth period to date. During this time the company doubled its valuation from $500m to $1B. As Vice President of Regional Sales at Groupon (NASDAQ:GRPN), Simms built and ran a sales team of 400+ sales representatives. This played a critical role in helping Groupon become the fastest company to $1B in annual sales revenue. Prior to Groupon, Simms was Director of SMB Enterprise Sales at Echo Global Logistics (NASDAQ:ECHO) where he helped position the company as a technology-enabled transportation broker. Before Echo, Simms held multiple roles at early and mid-stage technology growth companies.

Bobby Bott headshot

Bobby Bott


Bobby leads our Manufacturing and Quality teams. He brings expertise in building world-class operations and maintaining high safety and quality standards. Prior to Fast Radius, Bobby led multiple manufacturing sites throughout the US for Precision Castparts Corp, a Berkshire Hathaway subsidiary, serving the aerospace and defense industry. Bobby was also a member of the M&A team at PCC, where he led post-merger integrations and growth across acquisitions in North America and Europe. Bobby holds a BS in Mechanical Engineering from Case Western Reserve University.

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