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- Why elite coaches matter as much as elite investors
Why elite coaches matter as much as elite investors
Structured founder development can drive revenue acceleration faster than new headcount

Happy Tuesday Brex Community,
Founders obsess over cap tables, recruiting pipelines, service contracts, and strategic partners. They’ll debate pricing for weeks but often ignore the most asymmetric bet of all. Their own development. The real secret weapon isn’t another AI engineer or a name-brand VC. It’s the executive coaches who’ve scaled companies from Series A through IPO and now shape the next generation of category leaders.
Too many founders confuse coaching with therapy or motivational speaking. We are seeing that elite coaches are former operators who’ve solved the same scaling challenges you’re facing. They transfer that knowledge, help you and your team perform at a higher level, and protect your ability to think clearly under pressure. Founders who invest in structured development will see measurable revenue gains within quarters. The right coach can turn promising operators into inevitable winners. Want introductions to the ones shaping tomorrow’s category leaders? Shoot me an email.
Growing together, Michael Morgenstern

Brex Supper Club NY - Chief of Staff Edition
🥷 9/30 · NYC · Chief of Staff Network
Private conversational dinner for leading Chiefs of Staff in NYC
Apply Here: Brex Host: Shai Goldman
Brex Social Club - SF Tech Week
🌉 10/8 · SF · Founders, Investors and Future Founders
An evening of networking and conversations with Pylon + Brex + ExaApply Here: Brex Hosts: Jonathan Chang & Emily Manashi
Brex Social Club - LA Tech Week
🌴 10/14 · LA · Founders, Investors and Future Founders
An evening of networking and conversations with Sourcery + Cerebral Valley
Apply Here: Brex Host: Jonathan Chang + Michael MorgensternBrexfast Club - Capital Meets Policy
⚖️ 10/20 · Miami · Founders and Policymakers
A candid breakfast roundtable at the intersection of AI and regulation.
Apply Here: Brex Host: Michael MorgensternBrex Supper Club DC - Defense Tech Edition
🪖 10/23 · DC · Founders · Investors · Policymakers
Private dinner for founders building in defense and national security.
Apply Here: Brex Host: Michael MorgensternBrex Halloween: Finance & Compliance Don’t Need to Be Scary
🎃 10/29 · SF · Finance & Compliance leaders
Apply Here: Brex Host: Emily Manashi

Sam Ross and Matt DuVall are the co-founders of Numeral

Numeral is the fastest, easiest way to manage sales tax, with support for US and global VAT. Under the hood, Numeral handles the nitty-gritty aspects of compliance for you. Think nexus tracking, sales tax registration, ongoing filings, and their API provides accurate tax rates at checkout or in an invoice.
What's amazing is their guarantee. Numeral guarantees that your sales tax will be filed on time, or they will cover any resulting penalties and interest charges. It's end-to-end compliance backed by white-glove support. And that's why 1,500+ ecommerce and SaaS businesses let Numeral worry about sales tax and VAT.
Ambassadors POV: Last week, Numeral announced a $35 million Series B led by Mayfield, with participation from Benchmark, Uncork Capital, Y Combinator, and Mantis. The announcement follows a year of rapid growth for Numeral, which has processed over $5 billion in transaction volume, filed 150,000 sales tax returns, and achieved 3.5x year-over-year revenue growth.
So, I went to San Francisco for 72h to see the AI gold rush up close
I hung with billionaires, dropped by Cluely, hit hf0/Founders Inc/a16z, met The Chainsmokers, saw the Bolt’s $1M hackathon, and got in a fight w/ an AI robot etc
Yeah, I'd say SF is absolutely WILD right now
— GREG ISENBERG (@gregisenberg)
5:50 PM • Sep 29, 2025

A major challenge for smaller funds in today’s large seed rounds isn’t just entry price - it’s the escalating capital required to maintain pro rata
Take a $50M seed fund writing a $2M check into a $6M at $30M post seed. If all goes well and the company raises a $20M Series A,
— Sakib Jamal (@skbjml)
4:10 PM • Sep 27, 2025


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Shai: [email protected]

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