Josh Geller, Chief Legal Officer, leads Calabrio’s global legal function. With more than 20 years of experience scaling legal teams to drive operational excellence, Josh previously served as Chief Legal Officer at Adenza and AxiomSL. His CLO successes include managing complex legal, risk and governance matters, along with the sale of AxiomSL to Thoma Bravo; the merger and integration of AxiomSL and Calypso into Adenza; and the sale of Adenza to Nasdaq. Prior to becoming CLO at AxiomSL, Josh was a partner in the Corporate Department of Curtis, Mallet-Prevost, Colt & Mosle LLP and member of the Mergers & Acquisitions, Private Client, and Investment Management practice groups, counseling clients on a wide range of strategic transactions across different industries. Josh holds a B.A. in economics from Yeshiva University, where he graduated magna cum laude, and a J.D. from Fordham University, where he was a member of the Fordham Urban Law Journal. He is admitted to practice in the states of New York and New Jersey, and is a member of the New York City Bar Association where he serves as a member of the Trade Secrets Committee.

Joel Martins, Interim CEO & Chief Technology Officer, leads Calabrio’s companywide product, development, and technology teams. Joel has more than 20 years of experience driving innovation, growth, and operational excellence in software companies. Prior to joining Calabrio, Joel served as CTO at Apryse, Social Solutions, and MicroEdge. Successes in his tenures as CTO include completing the transaction to a new private equity owner, selling to a publicly traded company, the creation, launch, and dramatic growth of a new product line, accelerating an existing product line to $1B, and securing a $59M investment from former Microsoft CEO Steve Ballmer, who joined the Social Solution’s Board of Directors. Before becoming CTO at MicroEdge, Joel led global enterprise teams for 14 years at Symantec. He is also an Operating Advisor at Thoma Bravo. Joel graduated from the University of Minnesota with a BS degree in Computer Science and attended Luther Seminary in St. Paul post-graduate.

Alexis Zotalis, Chief Administrative Officer, drives Calabrio’s global organizational productivity leading the company’s day-to-day operations, including the human resources and enterprise digital services functions. With more than 20 years of leadership experience at software-as-a-service companies, Alexis’ expertise is in driving organizational productivity to achieve profitable growth. Prior to joining Calabrio, Alexis successfully drove value creation leading teams in diverse corporate functions including business development, marketing, and product management across a variety of industries. Alexis holds a bachelor’s degree in Music and Business Administration from Central College.

Tim Klein, Senior Vice President, Corporate Development, oversees Calabrio’s major strategic growth initiatives. With more than 25 years of experience in corporate development and capital markets, including strategic advisory, mergers and acquisitions, investments and financings, Tim has a long history of driving successful corporate growth. Prior to Calabrio, Tim was an early member of Lake Street Capital Markets where he contributed to the company’s exponential growth. He also led the Corporate Development group at Kroll Inc., a billion-dollar subsidiary of MMC. Tim holds a bachelor’s degree in Economics from the University of Chicago.

Robert Rivera, Chief Sales Officer, leads Calabrio’s global sales teams. Robert has over two decades of technology sales experience, comprised of managing direct sales, partners and cross-functional teams. His expertise includes a deep understanding of how to develop high-functioning teams by coaching individuals to drive successful customer outcomes. Prior to joining Calabrio, Robert was most recently a GEO VP of sales for Dynatrace, where he was an integral part of the company’s IPO in 2019 as well as its continued successful trajectory of a $1B+ revenue company in a highly competitive industry. He also co-founded and was the SVP of Sales at Vigilant Enterprise Solutions, a consulting and reseller organization, where he drove 200% revenue growth during his tenure. Robert graduated from Florida Metropolitan University with a BS in Science/Computer Information Systems, and minors in Marketing and Management.