PennyMac Financial Services, Inc. (NYSE: PFSI) announced that Tiffany To, CEO and co-founder of AI software company Ontollo, has joined its board of directors.

To brings experience in artificial intelligence and business transformation to the mortgage company. She currently leads Ontollo, a software development and operational intelligence platform.

"She has spent her career at the forefront of AI and business transformation, building products, leading organizations, and helping enterprises turn technology into real competitive advantage," said David Spector, chairman and CEO of PennyMac, according to a company statement.

Before founding Ontollo, To served as executive vice president and general manager of Enterprise & Platform at Atlassian, where she led teams building AI-driven systems for 300,000 customers. She previously held the chief operating officer role at ForAllSecure and worked in leadership positions at Cohesity, Coho Data, Nutanix, VMware, Intel, Silicon Graphics, and Symbol Technologies.

To holds a bachelor's degree in computer systems engineering from Stanford University and an MBA from UC Berkeley Haas School of Business.

PennyMac Financial Services focuses on mortgage loan production and servicing. For the twelve months ended March 31, 2026, the company originated $154 billion in loans and serviced $720 billion in unpaid principal balance as of that date.