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Tom Blomfield: Do the Best All Raise Pre-Demo Day & YC's Fundraising Advice to Startups | E 1152

Tom Blomfield is a Group Partner at YC. Before YC, Tom founded two unicorns in the UK. He was co-founder of Monzo (most recently valued at $5BN), one of the first challenger banks in the UK. Monzo raised more than £1bn and counts 15% of the UK population as customers. Before Monzo, Tom founded GoCardless (YC S11), an online payments processor, most recently valued at $2.1BN. ----------------------------------------------- Timestamps: (00:00) Intro (00:53) Background (10:07) Switch from Founder to Investor with YC (13:43) European Work Ethic Critique (17:14) Transition from Angel to Investor in Partnership (19:47) Signals of The Highest Quality Founders (21:55) Questions to Ask in YC Interviews with Founders (27:08) The YC Batch: How it Works (43:38) The Hype Surrounding AI (58:25) Quick-Fire Round ----------------------------------------------- In Today’s Episode with Tom Blomfield We Discuss: 1. From Founding Two Unicorns to YC Partner: Does Tom believe that all great founders show signs of exceptionalism early? What does Tom know now that he wishes he had known when he started his first company? Why did Tom decide now was the right time to switch from founder to investor with YC? 2. The YC Application Process: How it Works: How do the YC partners select which companies are accepted vs rejected? What specifically does Tom look for in the problem the company is looking to solve? In the interview, what are the signals of the highest quality founders? What questions does Tom always want to ask in YC interviews with founders? 3. The YC Batch: How it Works: How do the YC partners work with the 25 companies in their batch? What is the interaction? What are the single biggest mistakes companies make while in YC? What are the biggest pieces of advice YC gives founders on fundraising approaching demo day? How do the best YC founders fundraise and use demo day? How do the most nervous fundraise? How are YC partners measured in terms of their success and effectiveness? 4. AI: Consumer vs Enterprise/ Infrastructure vs Application Layer: Does Tom believe there is money to be made investing in infrastructure layer models today? Why is the commoditization of foundation models the best outcome for society? Why is Tom most excited about the application layer for the next wave of AI? What are the most exciting opportunities in consumer AI that are wide open today? ----------------------------------------------- Subscribe on Spotify: https://open.spotify.com/show/3j2KMcZTtgTNBKwtZBMHvl?si=85bc9196860e4466 Subscribe on Apple Podcasts: https://podcasts.apple.com/us/podcast/the-twenty-minute-vc-20vc-venture-capital-startup/id958230465 Follow Harry Stebbings on Twitter: https://twitter.com/HarryStebbings Follow Tom Blomfield on Twitter: https://twitter.com/t_blom Follow 20VC on Instagram: https://www.instagram.com/20vchq Follow 20VC on TikTok: https://www.tiktok.com/@20vc_tok Visit our Website: https://www.20vc.com Subscribe to our Newsletter: https://www.thetwentyminutevc.com/contact ----------------------------------------------- #20vc #harrystebbings #TomBlomfield #ycombinator #monzo #gp #founder #venturecapital #startup #leaderrship #hiring #salesteam

Tom BlomfieldguestHarry Stebbingshost
May 12, 20241h 10mWatch on YouTube ↗

At a glance

WHAT IT’S REALLY ABOUT

Tom Blomfield on YC, brutal fundraising, AI, and founder reality

  1. Tom Blomfield, founder of GoCardless and Monzo and now a YC partner, reflects on his journey from precocious kid entrepreneur to running hyper‑growth, regulated startups and ultimately burning out on being a CEO.
  2. He explains how Y Combinator reshaped his career, how he evaluates founders and ideas, what really happens inside a YC batch, and why the best companies often raise before Demo Day despite YC’s structured fundraising window.
  3. Blomfield offers candid accounts of fundraising pain, investor misbehavior, and cultural differences between US and European startup ecosystems, arguing that optimism and ambition, not work ethic, are the real US advantages.
  4. The conversation closes with his views on AI as a true platform shift, how application‑layer startups can build enduring value, and his own shift from chasing external success to seeking a more balanced, personally fulfilling life.

IDEAS WORTH REMEMBERING

5 ideas

Exceptional founders show unusual drive early, but pedigree isn’t everything.

Blomfield fits the pattern of early entrepreneurial behavior (selling websites at 14, trying to sell his mother’s jewelry at 7), yet he emphasizes that rigid filters (e.g., only backing teenage hustlers) can cause investors to miss great late‑blooming founders.

YC’s real value is ambitious peer exposure and relentless standards, not just cash.

He describes arriving at YC as moving from ‘play acting’ to being surrounded by role models like Levchin and Zuckerberg, which permanently raised his bar for what a startup could be and how hard to push.

Fundraising is emotionally brutal, and most investors underestimate how crushing it is.

Blomfield recounts 96 straight ‘no’s, a pulled $100M commitment at the start of COVID, and a 40% down round that saved Monzo, arguing that many investors—especially those who’ve never raised—lack true empathy for this experience.

Back the highest‑quality founders even if the idea seems weak; ideas are fixable.

From 76 angel checks and YC experience, he concludes over‑indexing on idea quality and under‑weighting founder quality was his biggest investing mistake; great founders pivot and compound, mediocre ones rarely do.

Founders must hold a huge 10‑year vision and a ruthless weekly focus simultaneously.

He argues the core founder skill is living with this tension: believing in a 1% multi‑billion‑dollar outcome while obsessing over the narrow, polished product and metrics they can improve this month.

WORDS WORTH SAVING

5 quotes

I don’t think founders are necessarily the most likable people, honestly.

— Tom Blomfield

YC really gave us that break, and raised the bar for us.

— Tom Blomfield

I had 96 nos in a row for that fundraise… it was horrendous.

— Tom Blomfield

The best advice I’ve learned at YC is: pick the highest quality founders, even if you think the idea is totally stupid.

— Tom Blomfield

I loved the product all the way through, but by the end, I hated the company.

— Tom Blomfield

Early entrepreneurial drive and formative experiencesY Combinator’s influence on Blomfield and its internal mechanicsFundraising realities, down rounds, and investor behaviorAngel investing lessons and transition to YC partnershipUS vs. Europe: ambition, optimism, and startup cultureHow YC coaches founders: product focus, pivots, and fundraising strategyAI as a new platform shift and opportunities at the application layerFounder psychology: likability, identity, burnout, and life after a big exit

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