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Accertify Appoints Greg Dukat as CEO, Expands Executive Team


Accertify Appoints Greg Dukat as CEO, Expands Executive Team
  • by: Source Logo
  • |
  • January 15, 2026

Accertify, Inc., a leading unified risk decisioning platform provider, has appointed Greg Dukat as Chief Executive Officer and expanded its executive leadership team. These changes support Accertify’s strategic vision to accelerate growth, deepen market impact, and enhance customer value as an independent company following its 2024 acquisition and carve-out from American Express by Accel-KKR.

Quick Intel

  • Greg Dukat appointed CEO of Accertify, bringing 30+ years leading technology companies through growth and transformation.
  • Dukat previously served as CEO of Revel Systems and held leadership roles at Comverge, Campus Management Corp., StarCite, and Indus International.
  • Expanded executive team includes Trey McCall (Chief Sales Officer), Maryling “Mare” Yu (Chief Marketing Officer), Emma Lindley (Managing Director, EMEA and Chief Development Officer), and Sara Schroeder (Global Head of Human Resources).
  • Mark Michelon continues as President, focusing on client relationships and product innovation.
  • Leadership changes aim to strengthen go-to-market execution, enterprise sales, global marketing, partnerships, and people strategy.
  • Accertify’s platform delivers fraud prevention, chargeback management, account protection, abuse prevention, and payment gateway solutions for digital commerce.

New CEO to Drive Strategic Growth

Greg Dukat joins Accertify with extensive experience scaling technology businesses and leading high-performing go-to-market organizations. He will oversee commercial strategy, sales execution, and alignment across sales, marketing, product, and client engagement teams to capitalize on growing demand in fraud prevention and risk decisioning.

“Accertify has spent the past several years building a strong foundation for innovation, and long-term growth,” said Mark Michelon, President of Accertify. “As we move into our next phase, expanding our leadership was a deliberate decision to increase focus and execution. Greg’s experience scaling technology businesses and leading high-performing go-to-market organizations strengthens our executive team and positions us to continue delivering value to our clients while investing in the future of the platform.”

“Accertify has a strong team, a world-class platform, and long-standing relationships built on deep trust with its clients, many of whom are globally recognized brands,” said Dukat. “I’m looking forward to working closely with Mark and the leadership team to build on that foundation and accelerate growth while amplifying our impact across the industry.”

Expanded Executive Team for Global Execution

Trey McCall, Chief Sales Officer McCall leads global enterprise sales and revenue growth, drawing on decades of experience building sales organizations in identity, security, and enterprise technology from Sectigo, Ping Identity, MobileIron, and Dell.

Maryling “Mare” Yu, Chief Marketing Officer Yu oversees global marketing strategy across the customer lifecycle, with more than 20 years of B2B SaaS marketing leadership from CCC Intelligent Solutions, Backstop Solutions, Lotlinx, and Adeptia.

Emma Lindley, Managing Director, EMEA and Chief Development Officer Lindley drives global growth through corporate development, partnerships, and leadership of the EMEA region. She brings over 20 years in fraud, payments, and digital identity from GBG and Visa.

Sara Schroeder, Global Head of Human Resources Schroeder leads people strategy to support Accertify’s growth and culture, with extensive HR experience in global SaaS organizations including TalentNeuron, Backstop Solutions, Maropost, and Signal.

These appointments strengthen Accertify’s ability to execute at scale, deepen client relationships, and expand its leadership in unified risk decisioning for digital commerce across diverse industries worldwide.

About Accertify

Accertify, Inc., is a leading unified risk decisioning platform provider, spanning fraud prevention, chargeback management, account protection, abuse prevention, and payment gateway solutions to clients spanning diverse industries worldwide. Accertify’s suite of products and services protects digital commerce, helping clients grow their business by driving down fraud-related losses, simplifying business processes, all while upholding the consumer experience.

  • Fraud PreventionRisk DecisioningCybersecurityDigital Commerce
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