Finding the right fractional CTOs in San Francisco can shape whether your tech strategy moves forward or stalls. The SF market is packed with options, and the wrong fit costs you time, money, and momentum. I've done the vetting so you don't have to—here's who's worth your attention, what they specialize in, and how to match their strengths to your stage.
Top 9 Fractional CTOs in San Francisco
Below are profiles of the top fractional CTOs in San Francisco, covering who they are and what they bring to the space.
Han Wang
Founder & Fractional CTO at HW Tech Consulting
San Francisco, United States
Focus area:
#Fractional CTO#Engineering leadership#Technology strategy#Technical due diligence#Startup scaling
Han Wang founded HW Tech Consulting after more than two decades in technology, including engineering leadership at Google and Sonder. His experience spans startups, scaling businesses, and large teams.
Through HW Tech…
Connect with Han:
Kateryna Sytnyk
Founder & Fractional CTO at CTO Doctor
Miami, United States
Focus area:
#Fractional CTO#Startup technology strategy#MVP development#Engineering team building#Technical architecture
Kateryna Sytnyk founded CTO Doctor, a technology studio providing fractional CTO services to startups. Her background includes engineering roles at Apple, Capital One, Abra, and Couchsurfing.
Sytnyk helps nontechnical founders turn product…
Connect with Kateryna:
Jason Lew
Fractional CTO & Generative AI Consultant
San Francisco, United States
Focus area:
#Fractional CTO#Generative AI#Engineering leadership#Growth engineering#Startup development
Jason Lew is a fractional CTO and former co-founder of MightySignal, which was acquired by Instacart. His career also includes leading growth engineering at Instacart and working on iPhone hardware at Apple.
…
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Aleksandr Protsiuk
Founder & CTO at Zavod-IT
San Francisco, United States
Focus area:
#Fractional CTO#Software architecture#AI-assisted development#MVP development#Technical due diligence
Aleksandr Protsiuk founded Zavod-IT in 2011 and leads its technology work. With more than 15 years in software development, he has delivered products across SaaS, fintech, healthcare, and other sectors.
Protsiuk works…
Connect with Aleksandr:
Tricia Mills
Founder & Principal at Ethica Strategies
San Francisco, United States
Focus area:
#Fractional technology leadership#Cloud infrastructure#Engineering management#Ethical AI#Technology governance
Tricia Mills founded Ethica Strategies after a technology leadership career spanning more than 25 years. She has scaled engineering teams at Pinterest and Expedia and built and sold an education technology company.
…
Connect with Tricia:
Dave Hecker
AI Engineering Lead & Fractional CTO
San Francisco, United States
Focus area:
#AI engineering#Fractional CTO#AI automation#Software architecture#Engineering leadership
Dave Hecker is an independent fractional CTO and AI engineering leader with nearly three decades of experience as an engineer, architect, and technology executive delivering software and leading global teams.
Hecker combines…
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Gareth Rees
Founder & Principal at Rees IT Solutions
Walnut Creek, United States
Focus area:
#Fractional CTO#IT strategy#Cybersecurity#Cloud infrastructure#IT operations
Gareth Rees founded Rees IT Solutions after more than two decades leading enterprise technology operations. His background includes global IT leadership for a major hedge fund and technology modernization in healthcare.
Rees…
Connect with Gareth:
Riccardo Pisano
Independent Fractional CTO & Founder Advisor
Miami, United States
Focus area:
#Fractional CTO#SaaS architecture#AI automation#Growth engineering#Startup strategy
Riccardo Pisano is a fractional CTO, startup founder, and former CEO of Growth-X. He built the company's technology and operations before its acquisition in 2025 and previously worked in technical leadership at…
Will Barrett
Fractional CTO & Principal Engineer
San Francisco, United States
Focus area:
#Fractional CTO#Software architecture#Cloud infrastructure#Engineering leadership#Startup product development
Will Barrett is an independent fractional CTO and software engineering leader with experience across startups and established technology companies. His background includes Tranzito, Preset, Change.org, and Entelo.
Barrett provides part-time technical leadership…
Connect with Will:
Selection Methodology
I selected the leaders on this list based on their relevance, demonstrated expertise and impact, professional credibility, and active service offerings in the field.
I look for evidence such as leading meaningful initiatives, delivering results, providing ongoing operational leadership, developing influential ideas or practices, publishing or teaching, and other contributions that demonstrate impact.
These leaders must also be based in the area or clearly serve clients there, including through a broader regional, national, or global service area.
Further Reading
Explore fractional technology leadership in the Mountain West with our guide to fractional CTOs in Denver.
What’s Next?
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