Leading From Within

To say that our leadership team is involved would be an understatement. Combining decades of experience and a first-name-basis approach, Vanguard Properties’ leadership goes above and beyond to nurture a truly successful and supportive environment. Through ongoing collaboration, mentorship, workshops, skills sharpening, education, and open door communications, our team members are provided with effective leadership to help them achieve their goals.

James Nunemacher


Frank Nolan


Jennifer Supman

Senior Vice President, General Counsel, Designated Officer and Managing Broker

David Chol

Chief Operating Officer

Nina Dosanjh

Chief Technology & Strategy Officer

Chelsea Hock

Art Director

Josh Dempsey

Napa County
Regional Director

Kevin Kropp

Sales Manager
Castro Street Office

Howard Reinstein

Sales Manager
Fillmore Street Office

Tracey Broadman

Sales Manager
Marin County Offices

Linda Koehler

Sales Manager
Marin County Offices

Mike Downes

Sales Manager
Healdsburg Office

Diana Gorsiski

Sales Manager
Petaluma Office

Timothy Hedges

Sales Manager
Sebastopol Office

Richard Lester

Managing Broker
Guerneville Office

Juan Nieto

Sales Manager
Santa Rosa Office

Shari Venezia

Relocation Director

Mahesh Patki

Director of Leasing & Relocation

Paula Gold-Nocella

Growth Strategist

Mitch Laufer

Public Relations and Creative Consultant

Maryanne Diaz

Director of Philanthropy

Pam Ruffino

Director of Agent Services, Sonoma & Napa County