Stephen P. Master

Managing Director at GTCR
Stephen P. Master serves as a Managing Director at GTCR, bringing over 16 years of experience in private equity with a focus on technology, media, and telecommunications investments...
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Michael B. Pappas

Director at GTCR
Michael B. Pappas is a Director at GTCR, bringing a robust background in private equity with a focus on technology, media, and communications. Before joining GTCR in 2023, Michael...
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Craig A. Bondy

Senior Advisor at GTCR
Craig A. Bondy, Senior Advisor at GTCR, brings over two decades of investment leadership to Guideline's board, aligning with our mission to deliver trustworthy media intelligence data through...
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Rob Norman

Former Chief Digital Officer at GroupM
Rob Norman brings over three decades of transformative leadership in digital media to Guideline’s Board of Directors, fortifying our mission to deliver unparalleled...
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Vince Mifsud

Chief Executive Officer
Vince Mifsud serves as Chief Executive Officer at Guideline, bringing over two decades of leadership in scaling enterprise software companies globally. His appointment in...
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Greg Coleman

Entrepreneur in Residence at Lerer Hippeau Ventures
Greg Coleman is a seasoned executive with over three decades of leadership experience at the intersection of technology, media, and advertising...
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James Fennessy

Former Global CEO of Standard Media Index (SMI)
James Fennessy brings over 25 years of international leadership experience to Guideline, offering invaluable expertise in scaling data-driven companies...
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Scott Knoll

Executive Chairman at Guideline
Scott Knoll serves as the Executive Chairman at Guideline, bringing over three decades ofleadership experience in the advertising and technology sectors. As the former CEO...
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Susan Vobejda

Former Chief Marketing Officer at The Trade Desk
Susan Vobejda brings over 20 years of exceptional marketing leadership experience to her role on the Board of Directors at Guideline, where...
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Executive Team

Vince Mifsud

Chief Executive Officer
Vince Mifsud serves as Chief Executive Officer of Guideline, where he leads the company’s strategy and execution as it builds the most trusted platform for media investment...
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Matthew Novick

Chief Financial Officer
Seasoned finance and operations executive with nearly 20 years in advertising and marketing technology. Currently serving as Chief Financial Officer at Guideline...
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Rosemary Zory

Chief Human Resources Officer
Rosemary Zory serves as Chief Human Resources Officer at Guideline, where she leads the people strategy that powers the company’s mission to deliver trusted media...
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David Hogan

Chief Technology Officer
David Hogan serves as Chief Technology Officer at Guideline, where he leads the development and execution of the company’s technology vision to unify fragmented media investment...
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Reuben Tozman

Chief Data Strategy and Structure
Reuben serves as a key member of the executive leadership team at Guideline, bringing a dynamic blend of entrepreneurial spirit and operational excellence to his role...
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Mag Mostafa

Managing Director, EMEA
Mag Mostafa serves as the Managing Director for EMEA at Guideline, where he leads regional growth and operations across Europe, the Middle East, and Africa. With a strong background...
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Matt Doherty

SVP, Sales North America
Matt Doherty serves as the Senior Vice President of Sales for North America at Guideline, where he leads all regional sales strategy, execution, and client growth initiatives...
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Alberto Leyes

SVP, GTM Strategy
Alberto Leyes serves as the Senior Vice President of Go-To-Market Strategy at Guideline, where he leads the company’s efforts to scale its platform and products across global...
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Joseph Berger

SVP, Capital Markets
Joseph J. Berger is a New York-based executive with extensive experience in the technology and financial services sectors...
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Tim Peters

Chief Marketing Officer, VP of Demand Generation
Tim Peters serves as Chief Marketing Officer at Guideline, where he leads global marketingstrategy, brand development, and...
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