Gregory Leos is the General Manager and Head of Payments at Weave (NYSE: WEAV), leading its payments business in the Healthcare-focused SaaS company. Previously, he was Chief Revenue Officer at VikingCloud, a global leader in Cybersecurity and Payments Compliance, managing a 150+ person sales team across five continents. Before VikingCloud, Greg was a senior executive at Fiserv (NYSE: FI), where he led vertical Enterprise sales, the Franchise Solutions business, and the Business Banking division for its joint venture with Bank of America. Earlier, as GM, North America, for GlobalCollect (acquired by Worldline for $1.2B), he managed all P&L and operational responsibilities. He also held leadership roles at Trustwave and Sysnet. Gregory is deeply involved in Cybersecurity and Fintech, serving on advisory committees with the Electronic Transactions Association and Merchant Risk Council. Over his career, he has been part of two successful exits (GlobalCollect: $1.2B, Trustwave: $810M) and one IPO (Global Payments: NYSE: GPN). He also advises startups such as Aeropay and Yeeld and is a venture partner with Propellant Ventures. In addition to his professional achievements, Gregory serves on the Board of Trustees for Lincoln Park Zoo and supports organisations like Rainbows and the American Cancer Society. He resides in Chicago with his wife Kristin and holds a B.A. in Psychology from California State University-San Bernardino.