Walton Isaacson Enhances Leadership Team with Key Appointments
Portfolio - People | Feb 28, 2025 | EIN

Walton Isaacson, a renowned advertising and marketing agency, has announced significant changes in its leadership structure. The agency welcomes back Christine Villanueva, Ph.D. as EVP, Brand, Strategy, and Growth, and Tony Santabarbara as the new Chief Financial Officer. Villanueva, returning to helm the agency's strategic vision, will expand Walton Isaacson's client base through her expertise in brand strategy. Santabarbara brings a wealth of experience from his time in financial roles at WPP's GroupM and Fox to manage Walton Isaacson's financial operations. Bill Braunstein, the outgoing CFO, will remain with the agency as an advisor. Alongside these appointments, Walton Isaacson has promoted 16 staff across various departments, emphasizing its commitment to internal talent development and adapting to evolving client needs. The agency continues to be a leader in delivering innovative, culturally attuned marketing solutions.
Sectors
- Advertising
- Marketing
Geography
- United States – Walton Isaacson has offices in key markets including Los Angeles, Chicago, and New York, playing a significant role in their operations.
Industry
- Advertising – Walton Isaacson operates as an advertising and marketing agency providing a wide array of services such as media buying and brand strategy.
- Marketing – The agency focuses on strategic marketing initiatives, experiential marketing, and cultural consulting to enhance brand engagement.
Financials
Participants
Name | Role | Type | Description |
---|---|---|---|
Walton Isaacson | Advertising Agency | Company | A full-service advertising and marketing agency known for its innovative and inclusive strategies. |
Christine Villanueva, Ph.D. | EVP, Brand, Strategy, and Growth | Person | Rejoins Walton Isaacson to spearhead the agency's strategic vision and client expansion efforts. |
Tony Santabarbara | Chief Financial Officer | Person | Appointed as CFO, bringing extensive experience from previous finance roles at WPP's GroupM and Fox. |
Bill Braunstein | Former Chief Financial Officer | Person | The outgoing CFO who will continue to work with the agency in an advisory capacity. |