Trey Campbell
Trey Campbell
Chief Executive Officer

Trey Campbell brings more than 30 years’ experience in sales, operations, technology and general management to his dual roles as OneSource Virtual’s chief executive officer and a member of its board of directors.

Prior to becoming OneSource Virtual’s CEO in 2017, he was OSV’s president and chief operating officer. He also served as a member of OSV’s advisory board for three years, providing invaluable expertise to its board of directors during an unprecedented period of rapid growth.

During his tenure, he has firmly cemented OSV’s reputation as a global provider of services and solutions for the Workday application suite, with an emphasis on keeping the customer at the center of OSV’s focus.

In earlier roles, Trey served as the CEO for TwentyEighty Strategy Execution, president and CEO for Accenture BPO Services, president for NGA HR North America, business unit leader for Hewitt and vice president/GM for Exult.

Trey holds a Bachelor of Science degree in marketing from the University of Alabama and an MBA in finance from the University of Kentucky.

  • Connect with Trey Campbell on LinkedIn.
John Bax
John Bax
Chief Financial Officer

John Bax is a finance and operations executive with more than 20 years of experience in a diverse range of technology-enabled and professional services organizations, including the world’s largest company, Wal-Mart. As chief financial officer for OneSource Virtual, he is responsible for overseeing the company’s accounting and finance activities, from capital structure to forecasting, planning and preparing the corporate and financial infrastructure that will ensure continued growth.

A longtime CFO of private equity and venture capital-backed technology businesses, John has scaled three separate startups to more than $1 billion in annual revenues, raised more than $3 billion in capital in the private markets, performed more than 40 M&A transactions, and managed finance and accounting teams from 6 to 300.

Prior to joining OneSource Virtual, John served as CFO for Rubicon Global, NJOY, LivingSocial, Recyclebank and Sentient Flight Group. At LivingSocial, he was also in charge of all international operations, with operations in 24 countries across six continents, and more than $1 billion of annual turnover reporting to John. He also served as VP planning & analysis for Wal-Mart Stores, where he was responsible for strategic planning. Prior to that, he was CFO of their Walmart.com unit. John brings deep professional services as experience to his role as well, having reached the senior manager ranks with Ernst & Young.

John earned his Bachelor of Science and MBA from Oklahoma State University. John and his family live in Atlanta, Georgia. In his downtime, John volunteers as treasurer of Walton Youth Football and Cheer.

Jennifer Gaines
Jennifer Gaines
CLO and CHRO

Jennifer Gaines is a legal executive and business leader with over 20 years of experience in high profile and strategic leadership roles. Throughout her career she has consistently used her strong analytical and problem-solving skills, combined with her strong business acumen and proven team building expertise, to deliver successful outcomes within challenging environments.

Immediately prior to joining OneSource Virtual in 2018, Jennifer was vice president of Legal Affairs and Special Counsel for Patriarch Partners Management Group, LLC. During her career, she has also served as vice president, general counsel and secretary for Handango, Inc., Securus Technologies, Inc. and WebLink Wireless, Inc. Early in her career, Jennifer worked in private practice for the law firm of Wilson, Elser, Moskowitz, Edelman & Dicker LLP, with her primary area of emphasis being employment and labor law litigation.  

Jennifer holds a Juris Doctor from the University of Tulsa, College of Law, and a Bachelor of Arts from Baylor University.

Cay Gliebe
Cay Gliebe
SVP, Marketing and Product Management

Cay Gliebe brings a compelling emphasis on centralized communication to her role as OneSource Virtual’s senior vice president of marketing and product management.

As a thought leader in the marketplace, Cay leads a robust marketing department, a corporate sales development team that qualifies leads and a product development team specializing in new, market-wide product rollouts. Her position brings the voice of the customer together with our product and marketing functions to better determine OSV’s future direction and messaging.

Cay joined OSV in 2017 as vice president of communications, and assumed her current position in 2018. Leveraging over 30 years of experience in HR, sales, marketing, operations and product management, Cay successfully drives solutions that empower people and organizations to exceed their goals.

In 2011, Cay was recognized by the HROA as the North American Thought Leader of the Year. She has delivered interviews and presentations at market events, including MeetTheBoss TV, SAPPHIRE 2010, Webster-Buchanan Multi-Country Payroll Forum and the Hackett Payroll Forum. Her published articles include “Long Tail of HR” and “Bridging the Gap in Your Payroll Solution.”

Cay received a Bachelor of Science in Interrelated Studies with an emphasis in Sociology from the University of the State of New York.