This profile has not been claimed and data may not be accurate.
72nd percentile
66th percentile
YC alum who sold Optimizely and Limitless to Meta, now angel investing
Credibility
Traction · 75th percentile
- Current Co-Founder and CEO of Limitless, an AI startup acquired by Meta.
- Past founder of Optimizely, co-founded in 2009 and later acquired by Episerver.
- Total venture capital raised across all founded companies is $216.5M per grounded third-party sources.
- Limitless raised $26.4M in total funding per SEC Form D filings (largest offering $17.9M).
- Optimizely acquired by Episerver for an undisclosed sum; exit confirmed by multiple sources.
Relationship Matrix
Most Complimentary
Founder score
- 98%Probability of being accurate (98%)Past founder of Optimizely, co-founded in 2009 and later acquired by Episerver.
- 95%Probability of being accurate (95%)limitless.ai ranks #241,177 on the Majestic Million (global domain prominence).
- 95%Probability of being accurate (95%)Current Co-Founder and CEO of Limitless, an AI startup acquired by Meta.
- 95%Probability of being accurate (95%)Optimizely was co-founded with Pete Koomen, confirming co-founder status.
- 92%Probability of being accurate (92%)Limitless raised $26.4M in total funding per SEC Form D filings (largest offering $17.9M).
- 90%Probability of being accurate (90%)Wikidata entity Q19665536 exists for Dan Siroker, confirming public notability as an Internet entrepreneur.
- 90%Probability of being accurate (90%)Optimizely acquired by Episerver for an undisclosed sum; exit confirmed by multiple sources.
- 88%Probability of being accurate (88%)Total venture capital raised across all founded companies is $216.5M per grounded third-party sources.
- 88%Probability of being accurate (88%)Y Combinator-backed company: Optimizely was Y Combinator-incubated, confirming Dan Siroker as a YC alum.
- 85%Probability of being accurate (85%)GitHub account @dsiroker has been active for approximately 17 years (created 2008).
- 80%Probability of being accurate (80%)GitHub account @dsiroker identified and linked to Dan Siroker.
Investor score
- 80%Probability of being accurate (80%)Publicly identified as an angel investor with a portfolio of 6 companies per Tracxn.
- 75%Probability of being accurate (75%)Active angel investor with 6 known portfolio investments per Tracxn.
- 40%Probability of being accurate (40%)Investing activity traceable to at least 2009 when Optimizely was founded, giving approximately 1 year of documented investing experience.
What you likely need
You're in a rare post-acquisition window where your dual-exit credibility is at peak signal strength, making this the ideal moment to shape your next narrative and expand your investing footprint before you're heads-down again. Festival events that connect you with YC alumni, seed-stage co-investors, and longevity/neurotech researchers will compound fastest right now. The highest-leverage gatherings are small, high-trust rooms where you can both source your next co-founder and position yourself as the operator-turned-investor that serious seed funds want on their cap table.
Would you attend these IRL Festival events?
We will tune and customize your Founder Festival experience to make sure you get invited to the events that would be most valuable to you.
- positioningA YC alumni dinner for founders with exits above $50M to swap notes on post-acquisition identity and what problem to tackle next
- introsA seed-stage co-investor roundtable with Optimizely and Limitless-era angels to surface the best YC S24/W25 deals worth backing together
- hiringA YC alumni co-founder matching dinner for repeat founders re-entering the arena, focused on technical co-founders with AI infrastructure or wearable hardware backgrounds
- fundraisingA dinner for operator-angels considering their first formal syndicate or micro-fund, featuring LPs who have already backed Optimizely- and Limitless-pedigree GPs
- positioningA small roundtable for founders who have recently exited to Meta, Google, or Apple to workshop public narratives around the transition and signal what they are building next
- introsA neurotech and longevity researcher dinner connecting Mind Emulation Foundation-aligned founders with philanthropic co-funders and neuroscience PIs from Stanford and UCSF
- tacticalA tactical content roundtable for post-exit founders with 10K-plus LinkedIn followings to share what thought-leadership formats are actually driving deal flow and co-founder inbound