William Barthell: Email & Phone Number
Opt-OutPosition:
Co-Founder & CTO at Janet AI (YC S25)
Location:
San Francisco, California, United States
Found email addresses for William Barthell:
Found phones for William Barthell:
A different William Barthell?
Sign up to search for other William Barthell's across our 850M+ professionals databaseWork Experience 2 years
May 2025 - Current
Mar 2024 - Sep 2024
Education
S25 at Y Combinator
Bachelor's degree at University of Wisconsin-Madison
Saratoga High School
Frequently Asked Questions
What is William Barthell's email address?
SignalHire found verified email addresses for William Barthell, both business and personal. Their business email is w***@hotmail.com, and personal emails include w***@hotmail.com, b***@yahoo.com, and w***@aol.com.What is William Barthell's phone number?
SignalHire found multiple verified phone numbers for William Barthell: +1-909-***-**65, +1-909-***-**11, and +1-205-***-**31.How do I contact William Barthell at Janet AI (YC S25)?
You can reach William Barthell through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.What is William Barthell's professional background?
William Barthell has 2 years of professional experience. They have held roles including Founding Engineer at companies such as Stealth Startup. Their education includes S25 from Y Combinator, and Bachelor's degree from University of Wisconsin-Madison.Is William Barthell's contact information up to date?
Yes. William Barthell's SignalHire profile was last updated on 14 November 2025, reflecting their current position as Co-Founder & CTO at Janet AI (YC S25).Similar profiles
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