Dan Holmes
Greater Seattle Area,United States
Find Dan Holmes's Email
Find Dan Holmes’s PhoneDan Holmes's Overview
Dan Holmes is a seasoned entrepreneur and co-founder of Proof (useproof.com), a Y Combinator-backed SaaS company that specializes in social proof marketing software. He has a strong background in building and scaling technology startups, with a keen focus on product development, growth marketing, and conversion rate optimization. Dan is passionate about helping businesses leverage data and psychology to enhance customer trust and drive sales. He is recognized for his expertise in the MarTech space and his contributions to building tools that empower online businesses to connect more effectively with their audiences.
Professional Summary
Dan Holmes's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Notable Achievements
Co-founder & CEO of Proof
Co-founded and led Proof, a pioneering social proof notification software, helping thousands of businesses increase website conversions and sales by building trust and urgency.
Y Combinator Alumnus (S18)
Successfully guided Proof through the prestigious Y Combinator accelerator program, gaining invaluable mentorship, networking opportunities, and seed funding.
Scaled Proof to Significant Revenue
Played a key role in growing Proof to millions in annual recurring revenue, demonstrating strong leadership in product strategy and market execution before its acquisition.
Thought Leader in Conversion Optimization
Recognized for insights on conversion rate optimization and social proof, often sharing knowledge through industry blogs, podcasts, and speaking engagements.
Educational Background
BA, Political Science
Wittenberg University - Year 1988
New Hampton School - Year 1986
Buying Intent Signals for Dan Holmes
Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Company Overview
Dun & BradstreetDun & Bradstreet is a leading global provider of business decisioning data and analytics. It enables companies to improve their business performance through data and insights, helping them manage risk, identify growth opportunities, and optimize their supply chains. With a vast commercial database containing information on hundreds of millions of businesses worldwide, D&B offers solutions that support finance, risk, sales, marketing, and supply management functions.
Highperformr's free tools for company research
Find contact info
Get verified emails, phone numbers, and LinkedIn profile details
Find similar contacts
Discover contacts with similar roles, seniority, or companies
Perform deep contact research
Uncover insights like skills, work history, social links, and more
Discover, research and enrich contacts with Highperformr — Smarter, Faster
Explore contacts in-depth — from verified emails and phone numbers to LinkedIn activity, job changes, and more — all in one powerful view.
Highperformr AI helps you surface the right people and enrich your CRM with live, accurate contact insights so your teams can connect faster and close smarter.
- Track signals like job change, promotion, and LinkedIn activity
- Enrich contacts with verified email, phone, and social data instantly
- Automate enrichment and updates with powerful workflows
- Sync enriched contact info directly into your CRM and tools
Thousands of contacts — including decision-makers, influencers, and ICP matches — are just a search away.
Thousands of companies, including, are just a search away.