Steve Hoover is the CEO of Impossible Objects, the Northbrook, Illinois company commercializing CBAM (composite-based additive manufacturing), a from-the-ground-up 3D printing process that bonds carbon fiber and other composites into parts that are stronger, lighter and more heat-tolerant than conventional prints. A mechanical engineer with a Carnegie Mellon doctorate, he spent roughly two decades at Xerox, rising to corporate CTO and running PARC as CEO, before a stint leading RIT's Global Cybersecurity Institute and co-founding the art-recognition startup Artify.ai. He took the Impossible Objects helm in March 2023 to push composite 3D printing from prototypes into high-volume manufacturing.
Brook Mayer is a senior technology executive at OpenTable, the global restaurant reservation and discovery platform owned by Booking Holdings. With over 25 years of experience spanning engineering, product, and executive leadership roles - including stints as CTO, CPO, Chief Architect, and VP of Engineering - Mayer brings a deep technical foundation to the hospitality technology space. Based in San Jose, California, Mayer has been associated with OpenTable's leadership during a period when the company manages millions of diners and tens of thousands of restaurant partners worldwide. The Facebook and Twitter accounts linked to Mayer's profile point to Foodspotting, the restaurant dish-discovery app acquired by OpenTable in 2013 for approximately $10 million, suggesting an involvement with that product's leadership and integration.
Guritfaq Singh (known professionally as Gur Singh) is the Co-Founder and COO of CodeRabbit, the AI-powered code review platform that has become the most-installed AI application on GitHub and GitLab. A seasoned engineering leader who previously ran engineering and product at Alegeus Technologies, Singh co-founded CodeRabbit in 2023 alongside CEO Harjot Gill. In under two years, the company grew to $40M ARR, 8,000+ paying customers, 2 million repositories, and a $550 million valuation after raising a $60M Series B in September 2025. Based in San Francisco, Singh focuses on operations and product strategy, driving the mission to make AI-powered code review the industry standard.
Christine Spang is the co-founder of Nylas, the email, calendar, and contacts API platform that powers scheduling and communication features for thousands of developers and enterprises. A Debian contributor since age 15, MIT computer science alumna, and former Linux kernel engineer at Ksplice/Oracle, she built Nylas from a frustrated attempt to build a better email client into a company that raised $175M and became essential developer infrastructure. She served as Founder & CEO of Nylas through its Series C growth phase before transitioning to the Board of Directors in 2025.