Phases (YC S25)

phases.ai

San Francisco, California, United States

1-10 employees

LinkedIn Profile

About Phases (YC S25)

technology, information & internet, hipaa compliance, ai teammate, automated eligibility check, visit scheduling automation, patient matching, automated scheduling, workflow integration, seamless workflow integration, visit scheduling, prescreening, human-like ai responses, integrated workflow solution, clinical trial patient matching, ai-powered clinical trial operations, transportation management, hipaa compliant ai, medical devices, patient engagement

Phases (YC S25)'s Tech Stack

Decision Makers at Phases (YC S25)

1 contact

Jonathan Wersch

Co-Founder & CTO

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5 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

Phases (YC S25) is a technology company. Software vendors, dev tools, and SaaS platforms find technology companies like this highly receptive. Use StackWho to identify the right decision-maker (CTO, VP Eng, or Head of Product) and reach out with a stack-specific pitch.

Phases (YC S25)'s Position in the StackWho Database

• Phases (YC S25) is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 97,391 information technology & services companies are in the 1-10 employee range (same size as Phases (YC S25)).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Phases (YC S25) use?

Phases (YC S25) uses Cloudflare DNS, Amazon SES, Gmail, Google Apps, Mobile Friendly. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Phases (YC S25)?

StackWho has verified email addresses for 1 decision maker at Phases (YC S25). Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Phases (YC S25) directly for sales, recruiting, or partnerships.

What industry is Phases (YC S25) in?

Phases (YC S25) operates in the information technology & services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Phases (YC S25)'s contact data?

Yes. StackWho Pro members can export decision maker contact data for Phases (YC S25) and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.