CONDITIONS - Key Persons


Brad Kalmans

Job Titles:
  • Senior Managing Principal

Charles E. Ayers, III

Job Titles:
  • Principal
  • Principal / Education
Charles Ayers has managed all aspects of HVAC projects in the commercial, institutional, industrial, retail, hospitality, financial, and healthcare market sectors. Some of his recent projects include new system designs and installations, tenant improvements, system retrofits, and main HVAC plant replacements and upgrades. He has extensive experience with building energy analysis and simulation modeling. He is knowledgeable in HVAC system design when considering energy conservation and efficiency for LEED projects. System types include energy recovery for 100% outside air systems, demand-controlled ventilation, high-efficiency rooftop variable air volume systems, and geothermal systems.

Craig Janssen

Job Titles:
  • Managing Principal
  • Managing Principal / Education
Craig Janssen, LEED AP helps leaders navigate audience engagement and technology shifts. A theatre space and technology designer for high-attendance venues, Craig has led thousands of group discovery and design meetings touching well over 10 billion in construction dollars for the spaces where people gather to share experiences. He leads the acoustics, theatre, and technology team for Salas O'Brien.

Darin Anderson - CEO, Chairman

Job Titles:
  • CEO
  • Chairman
  • Chairman & CEO / Education
  • Chairman and CEO of Salas O'Brien
Darin has served as Chairman and CEO of Salas O'Brien since September 2006, guiding the company through an era of impressive growth to become one of North America's leading engineering and technical services firms. Darin's enthusiasm and drive are evident in his four passions in life: his family, creating a better world, affordable education, and adventure. Whether he's taking a family trip, competing in an ultra-marathon, or sharing career advice with students, he leaves nothing in the tank. This passion carries through to his aspiration for Salas O'Brien to be "the most respected firm in the galaxy" and, ultimately, a model of leadership for other organizations. He has led large engineering and construction organizations for nearly 3 decades years in the capacity as CEO, COO, and CFO. He is a proud alumnus of the University of California-Riverside, past Chair for the California Coast Chapter of the Young President's Organization, past chair of the UC Riverside Foundation Board of Trustees and was named Ernst Young (EY) Entrepreneur of the Year in 2016.

David Bonaventure

Job Titles:
  • Managing Principal
  • Managing Principal / Education
David Bonaventure has spent over 20 years serving the hospitality industry. He helps owners make smart decisions to maximize their investments and keep venues relevant in the marketplace. He has an MBA from the University of Houston and a BS in Mechanical Engineering from Louisiana State University. David enjoys spending time with his family and rooting for the LSU Tigers football team.

Deirdre McDaniel

Job Titles:
  • Senior Managing Principal
  • Senior Managing Principal / Education

Doug Carrera

Job Titles:
  • Managing Principal
  • Managing Principal / Education

Eric Anest

Job Titles:
  • Senior Vice President, Marketing & Communications

Essi Najafi

Job Titles:
  • Managing Principal
  • Managing Principal / Education

Farzad Tadayon

Job Titles:
  • Managing Principal

John Bonini - Chief Legal Officer

Job Titles:
  • General Counsel
  • Managing Principal

John Salas

Job Titles:
  • Senior Managing Principal

John Westphal

Job Titles:
  • Managing Principal

Karoline Derse

Job Titles:
  • Managing Principal

Mark Allyn

Job Titles:
  • Principal

Paul Silva - COO, President

Job Titles:
  • COO
  • President

R. Scott Albin

Job Titles:
  • Managing Principal

Salas O'Brien

Job Titles:
  • Employee
Salas O'Brien is an employee-owned engineering and facility planning firm addressing highly technical challenges through international strength and local action. Salas O'Brien works across multiple industries and a diversity of workstyles. From creating a new corporate headquarters, to developing commercial space for lease, to adapting an existing environment, our multidisciplinary experts can help you reach your goals. Salas O'Brien provides a wide variety of engineering and technical services to meet the demands of corporate facilities and workspaces. Salas O'Brien works with clients to develop and implement strategies that result in higher performance, greater resilience, and produce tangible savings.

Scott Becraft

Job Titles:
  • Senior Electrical Engineer

Srini Neralla

Job Titles:
  • Senior Managing Principal

Stan Everett

Job Titles:
  • Managing Principal

Tim Burnham

Job Titles:
  • Senior Managing Principal

Victor Becerra

Job Titles:
  • Principal
  • Senior Project Manager