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Katie Ward
Region President, West -
Amy Mathieson
President -
Headshot of Anthony Mazza
Anthony Mazza
Executive Vice President, Orange County & Los Angeles -
Robbin Brown
Executive Vice President, South East Region -
Photo of Michael Underwood
Michael Underwood
Executive Vice President, Northern California -
Headshot of Tiffany Hannah
Tiffany Hannah
Executive Vice President, High-Rise -
Kimberly Carson, MBA, PHR, SHRM-CP
Vice President of Human Resources - West Region
Katie Ward
Katie has had an accomplished career in residential association management, marked by decades of progressive impact and responsibility. Most recently, Katie served as President of the Texas region, where her dynamic leadership and strategic vision were instrumental in fostering the region's expansion and reinforcing a culture dedicated to service excellence and associate empowerment.
Before her role in Texas, Katie honed her expertise in California, fulfilling pivotal positions that shaped her comprehensive understanding of the industry. As the Executive Vice President of Community Management in California, she demonstrated an unwavering commitment to client satisfaction and operational excellence. Her tenure as President of FirstService Association Consulting drove proficiency in forward planning and budget consultancy, further solidifying her status as a thought leader in the field.
Katie earned a Bachelor of Arts degree from the University of California, Irvine, and is a longtime member of the Urban Land Institute. Katie serves as co-chair of our Women's Leadership Network and of our Master-Planned and Lifestyle Council. She also advises on development strategies as part of our FirstService Development Advisors group.
Amy Mathieson
Serving as President, Amy brings over 20 years of Human Resources, Business Operations and leadership experience to the FirstService Residential California team. Amy serves as a valued advisor and strategic partner to the Executive Team and has been a substantial resource in the growth and success of FirstService Residential. Amy’s authentic and direct approach to community management creates a proactive environment that balances the organizational needs of the company.
Amy previously held leadership roles at The Mentor Network and Toys R' Us where she had the opportunity to support field, logistics, multiple states and multiple locations. In her most recent position at the Adecco Staffing Group, Amy oversaw the Employee Relations Team, serving more than 90,000 temporary staff associates. Her time at Adecco also gave her the opportunity to participate on a Global Transformation Team based in Switzerland where she oversaw the implementation of HR practices and policies across 60 countries.
Anthony Mazza
Anthony has an educational background in accounting, graphic design and fire science. He is an active member of the Community Association Institute (CAI) and is also part of the Urban Land Institute Leadership Program.
Robbin Brown
As Executive Vice President of the South East Region in California, Robbin Brown has operational oversight of the San Diego, Inland Empire and Palm Desert regional offices and leads account executive staff and association on-site teams. Her responsibility also includes client relationships, leadership development and new business development.
Robbin brings over 25 years of retail business leadership, her previous role being Regional Vice President at Toys R’ Us. She is a graduate of California State University San Diego. A native Californian, Robbin enjoys spending time with her three children and friends, traveling and watching or attending sporting events.
Michael Underwood
Michael serves as the Executive Vice President of the Northern California region, including Sacramento, Bay Area, and San Francisco. As the EVP, he oversees a mix of HOA, lifestyle, active adult, master-planned, and condominium associations. He is also responsible for the continued growth and development of the Northern California region and its team.
Michael's extensive career spans 3 decades of leadership experience including a background in the landscape maintenance and construction industries. As EVP, he is focused on effectively combining outstanding customer service, team development and leadership to help foster FirstService Residential’s Mission and Core Values.
Tiffany Hannah
As Executive Vice President, High-Rise for California, Tiffany oversees all operations, client relationships, staff development, new business launch, and business development for high-rise and mixed-use clients. She holds multiple professional certifications from the California Association of Community Management (CACM), including Certified Community Association Manager (CCAM®), Community Association Management Executive (CAMEx®), and Specialty Certification in New Development (CCAM-ND®).
In 2025, Tiffany concluded 11 years of service as a Director on the CACM Board of Directors, where she also served as Nominating Committee Chair during her tenure. Her contributions to the industry extend to the Community Association Institute (CAI), where she has shared her insights as a speaker at various forums and seminars.
Kimberly Carson, MBA, PHR, SHRM-CP
Kimberly’s HR department is dedicated to creating a compliant, engaging work environment that prioritizes employee well-being and delivers service excellence. Her proficiency in talent management, employee relations, compliance, leadership development, and safety ensure HR strategies are seamlessly aligned with business goals, driving both performance and organizational success.