About Accertify | Leader in Fraud Prevention & Risk Management
Our Company
A global leader in the industry.
As a global leader in the industry, we are committed to delivering exceptional products, services, and experiences that enable our clients to stay ahead of emerging threats and risks. We take pride in our people, culture, and values, and we work tirelessly to maintain the trust and confidence that our clients have placed in us.
Our Family
When a client joins our community, you become a part of the Accertify family, and we will do whatever it takes to ensure you are successful. We wake up every day committed to finding the best way to solve the ever-changing risks you face. We will always strive to do what is right for you and your unique business needs, as there is no one-size-fits all solution. We are not successful unless you are successful, so we are with you every step of the way.
A Global Vision
We are proud to serve clients in diverse industries and geographic locations, and our global reach allows us to be where our clients need us most. We believe that by working together we can drive innovation and make a positive impact on the world.
Our Leadership
Our leaders are experts in the digital risk management industry, with a passion for driving innovation and empowering our clients to grow with confidence. They bring a wealth of experience from a variety of backgrounds and industries, and their diverse perspectives help us to stay agile and responsive to the evolving needs of our clients. Because many of our leaders started out as fraud managers and analysts, they understand the daily struggles our clients face and founded Accertify with keeping your experience at the forefront.
Greg Dukat
Chief Executive Officer
Greg Dukat is a culture-powered growth operator who builds high-performing systems by aligning product, market, and sales, and by connecting every role to the company’s mission and to the outcomes clients experience.
A six-time CEO, Greg brings nearly three decades of leadership to Accertify. Greg leads with purpose, establishing operating rhythms that turn shared mission and explicit behaviors into repeatable execution.
Before Accertify, Greg was CEO of Revel Systems and previously served as CEO at Comverge, Campus Management Corp., StarCite, and Indus International (Ventyx). He has also held board and advisory roles across private-equity-backed companies, guiding teams through scale, transformation, and commercial excellence.
Greg holds a B.S. in Business Administration and Management from the State University of New York at Buffalo (SUNY Buffalo).
Mark Michelon
President
Mark Michelon is a founding member and President of Accertify with 20+ years in payments, card-not-present fraud prevention, risk and dispute management. He partners closely with client leadership to co-design strategies that reduce risk while protecting revenue, and he translates those needs into product innovation that delivers measurable results.
Andrew Bronstein
Chief Financial Officer
Andrew Bronstein has over 30 years of leadership experience as a CFO and is an expert in Finance Operations for global software-as-a-service companies. He has completed more than 160 acquisitions and integrations, including a leader in the successful carve-out of Accertify from American Express. Andrew has a history of creating value through working collaboratively across all business functions to identify and execute transformative business ideas to improve net and gross annual recurring revenue and driving cost efficiencies to improve operating margins and cash.
Loretta Ruffolo
SVP, Client Engagement & Strategic Risk Services
With over 20 years of experience in fraud prevention and risk management, Loretta Ruffolo has established a proven track record of designing and implementing comprehensive strategies that protect organizations from financial loss and reputational damage. Loretta leads a high-performing global team and is committed to delivering exceptional results for clients using advanced data analytics, machine learning, and real-time fraud detection systems.
Trey McCall
Chief Sales Officer
Trey McCall is Chief Sales Officer at Accertify, bringing many years of experience leading enterprise sales organizations across identity, access management, fraud-adjacent security, and enterprise technology.
Maryling “Mare” Yu
Chief Marketing Officer
Maryling “Mare” Yu is the Chief Marketing Officer of Accertify, where she leads global marketing across the customer lifecycle. She brings over 20 years of B2B technology SaaS marketing experience to Accertify. Mare specializes in building compelling brands, delivering data-backed research and commercial insight to clients, creating demand, and enabling the field.
Andy Mortland
SVP, Product & Software Development
Andy Mortland joined an 8-person company called Accertify as a software developer in 2007. Since 2019, Andy’s department has encompassed Product Management, Software Development, and Artificial Intelligence and Machine Learning (AI/ML).
Emma Lindley
Chief Development Officer & Managing Director, EMEA
Emma Lindley is an award-winning senior executive and internationally recognized thought leader in fraud, payments, and digital identity.
Randy Ruiz
Chief Technology Officer & CISO
Randy Ruiz has 20 years of experience in the development, design and support of large, high-frequency, low-latencies transactional environments.
Conrad Kennington
VP, Artificial Intelligence
Conrad Kennington is a 15-year veteran of the e-commerce fraud prevention industry.
Waj Rahman
Vice President of Product
Waj Rahman is Vice President of Product at Accertify, where he leads the global product organization powering the company’s unified risk decisioning platform.
Tracy Caswell
General Counsel
Tracy Caswell has nearly 30 years of experience serving as both in-house general counsel and outside counsel.
Paul Mangino
VP, Client Support & Onboarding
As Vice President of Client Support & Onboarding, Paul Mangino is responsible for leading the onboarding teams and global support.
Luke Dynan
VP and GM, APAC
Luke Dynan is responsible for driving the Accertify businesses forward in APAC.
Eric Dawson
VP, Client Engagement
Eric Dawson joined Accertify in 2013 as a Senior Account Manager and now leads the Client Engagement organization.
Sara Schroeder
Head of Global Human Resources
Sara Schroeder is Accertify’s Head of Global Human Resources, where she drives people strategies that foster alignment, innovation, accountability, and resilience.
Our Values
We Build Strong Relationships
We prioritize integrity, reliability and empathy in our interactions with our clients and colleagues.
We Take Ownership
We are accountable, thoughtful and responsible in our work while striving for the optimal outcome.
We Stay Curious
We are proactive problem solvers who seek continuous improvement through inquiry and innovation.
We Adapt with Resilience
We thrive in a rapidly changing world by embracing change as an opportunity for growth.
We Win, Together
We believe in collective success through collaboration, diversity and mutual respect.
We Move at the Speed of Right
We prioritize urgency, empowerment and quality in our decision making.