Raj Vaidyanathan

Interim Chief Technology Officer at ACI Worldwide

Raj Vaidyanathan is ACI's interim chief technology officer. In this role, he leads ACI's technology and operations organization, focused on developing and running world-class payments software products. Raj joined ACI in 2012 with the acquisition of S1. He has held a number of senior leadership roles in technology and operations, most recently as head of merchant and fraud product development. He previously served as head of product development for our biller segment. Earlier in his career, he served as vice president of product development, director of professional services and lead architect at S1. He has also held key development roles at AT&T and NIIT. He holds a Bachelor of Engineering degree in computer science from Karnatak University in India and an MBA in international business from Georgia State University.

Articles by Raj Vaidyanathan

Paying bill on mobile phone


Data Security Is Table Stakes for Bill Payment – Communication Can Be the Competitive Differentiator

More than 80 percent of consumers are at least somewhat concerned about online identity theft, and nearly half are concerned about the safety of their personal information when paying online, according to the latest ACI Speedpay Pulse.


How Billers Can Adapt to a Changing Payments Security Landscape

More and more consumers are adopting digital channels like websites and mobile apps to pay their bills; but at the same time, hackers are becoming more sophisticated and cyberattacks are increasing in frequency. In fact, nearly 20 percent of consumers have fallen victim to online identity theft, according to our most recent ACI Speedpay Pulse, pointing to an opportunity for billers to up the ante when it comes to security measures.

Prime Time for Real-Time

Global Payment Trends
As the world adopts real-time payments, how does your market stand to benefit?