Our Leadership
Meet Our Exceptional Leaders
At the helm of AlfaTech, our leadership team stands as a beacon of expertise, guiding our journey with a profound combination of experience and foresight. Authentic, ethical, smart, dynamic, energized, committed, inventive, compassionate, expert, and loyal aren't just words; they are the characteristics that define the AlfaTech team. Each staff member embodies a unique blend of these qualities, contributing to a culture that is the heartbeat of our organization. AlfaTech delivers the most reliable, practical, innovative, and sustainable solutions for our clients through the collective expertise and visionary leadership of our team. Get to know the driving forces behind AlfaTech, where leadership isn't just a position; it's a commitment to excellence.
Corporate Leadership
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Jeff Fini, MBA, PE
Founder & Chairman
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Diarmuid Hartley
CEO, Mechanical
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Tim Chadwick, PE, LEED AP
COO, Mechanical Engineer
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Pamela Brandon, MEng, PE, SE
Partner, Project Management
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Cheryl Avrabos, MTech
VP of People and Culture
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Saied Nazeri, PE, CPD, LEED AP BD+C
Partner, Mechanical Engineer
San Francisco, California
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TG Davallou, LEED AP
Partner, Mechanical
San Francisco, California
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Rich Garrison
Partner, Technology
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Michael Zeuger, LEED AP
Sr. Principal, Electrical
San Jose, California
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Piyush Patel
Sr. Principal, Mechanical
Orange, California
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Paul Tiña, LEED AP
Sr. Principal, Project Executive
San Jose, California
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Sergey Gutkin, MBA
Sr, Principal, Global Director, Smart Building Tech.
San Jose, California
Department Leadership
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Paul Artelles
Principal, Business Development Director
Southern California
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Nathan Kirby, PE, ATD, LEED AP BD+C
Sr. Principal, Mechanical Engineer
Mission Critical Practice Leader
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Michael Fluegeman, PE
Sr. Principal, Electrical Engineer
Mission Critical Practice Leader
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Gislene Weig, EE, RCDD
Principal, Technology
Los Angeles, California
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Greg Carrolan
Associate Principal, Technology
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Erik Elmtoft, PE, PMP, LEED AP, WELL AP
Sr. Principal, Sustainability / Mechanical Engineer
San Francisco, California
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Cameron Derks, PE
Sr. Principal, Mechanical
San Francisco, California
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Neil Toplife, PE
Sr. Principal, Mechanical
San Jose, California
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Tarkan Altay, PE, PMP
Principal, Mechanical Engineer
Monrovia, California
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Amber Welsh, PE, MS, LEED AP
Principal, Mechanical Engineer
Atlanta, Georgia
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LeAnne Cossairt-Leung, PE, LEED AP BD+C
Principal, Mechanical Engineer
San Jose, California
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Mercedeh Aeinehchian
Principal, Mechanical
San Jose, California
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Sanja Vujic, PE
Principal, Mechanical
San Jose, California
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Dmitry Korshakovsky, PE
Associate Principal, Mechanical
Monrovia, California
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Angelo Baraan, CEM, CPD
Associate, Plumbing Engineer
San Francisco, California
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Mark Fisher, PE, LEED AP
Sr. Principal, Electrical Engineer
San Jose, California
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Pablo Faria, PE
Sr. Principal, Electrical
San Jose, California
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James Pestano
Principal, Electrical
San Francisco, California
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Ray Park, PE, RCDD
Principal, Electrical Engineer
Monrovia, California
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Todd Schoenhouse
Principal, Electrical, Engineering Operations Director
Monrovia, California
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Daniel Hamilton, PE
Associate Principal, Electrical Engineer
San Francisco, California
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Humam Tamimi
Associate Principal, Electrical
San Jose, California
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Kathleen Morelock, PE, LEED AP BD+C
Associate Principal, Electrical Engineer
San Jose, California
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Lupita Legaspi, Associate IALD
Principal, Lighting Design
Monrovia, California
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Leo Thomas, PMP
Principal, Project Management
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David Powell
Associate Principal, Project Management
San Francisco, California
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Julio Vasquez, MBA
Associate Principal, BIM
Monrovia, California
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Charles Jackson
Corporate BIM Manager
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Chris Rieboldt
BIM Manager
San Francisco, California
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Mark Smith
Director of Corporate IT
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George Naughten
Sr. Corporate Controller
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Mia Garza
Sr. Finance Director
