
Derek Lo
Founder & CEO
Derek is the Founder and CEO of Medallion. He’s grown the company to 250+ customers and built a team of 175+ people dedicated to transforming healthcare. He’s a second-time founder and has been named Forbes’ 30 Under 30.
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Leah Wajnberg
Chief Product Officer
Leah is the Chief Product Officer at Medallion, leading product strategy and platform development. She brings over a decade of healthcare strategy and product experience. Previously, she was VP of Product at Spring Health, leading the Member Experience team through rapid growth and product expansion.
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Kyle Carbine
Chief Revenue Officer
Kyle is the Chief Revenue Officer at Medallion. He’s led global sales teams at ServiceNow, Moveworks, Segment, and Podium, driving record growth and operational excellence. He’s passionate about scaling SaaS organizations and building high-performing, people-first teams.
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Nate Rosenthal
Chief Operating Officer
Nate is the COO of Medallion, where he helps oversee core operations, support and engagement. He brings a breadth of experience from managing a several-thousand person support and CS team at Square to tackling a myriad of impactful operational projects at Airbnb.
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Armaan Sarkar
Chief Technology Officer
Armaan is the CTO at Medallion. He’s led engineering and product teams at Samba TV, Wove, and LiveRamp, driving innovation and scale. He’s passionate about building technology that transforms healthcare and empowers teams to deliver meaningful impact.
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Amanda Bradley
General Counsel
Amanda is the General Counsel at Medallion. She’s led legal, people, and compliance teams at Bolt, Spire, and Shift, guiding companies through growth and transformation. She’s passionate about building scalable frameworks that enable innovation and long-term business success.
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Lauren Mitri Abalos
VP of Marketing
Lauren is the VP of Marketing at Medallion. She leads strategy across content, demand generation, and communications, driving growth for healthcare organizations nationwide. With over a decade in B2B tech, she’s passionate about bridging marketing, product, and sales.
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Keith Collins
Chief Financial Officer
Keith is the CFO of Medallion, where he helps lead growth for 300+ healthcare clients. A Wharton MBA and seasoned investor, he’s served on multiple boards and driven innovation across finance and healthcare.
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