Jun 24, 2021 · 41m · 20vc
20VC: Optimising Investment Decision-Making in Compressed Fundraising Timelines & A Deep Dive on Portfolio Construction, Price Sensitivity and The Importance of Ownership with Mark Mullen, Co-Founder @ Bonfire Ventures
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gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
In this episode of 20VC, host Harry Stebbings interviews Mark Mullen, Co-Founder and Managing Partner at Bonfire Ventures, to discuss early-stage seed mechanics, compressed fundraising timelines, and portfolio construction strategy. Mullen draws on his decades-long career to share actionable insights on risk management, target ownership standards, board governance, and competing against multi-stage funds.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Harry holds 31.6% of the talking time here. How this is scored →
Harry as informed peer 6.1 Guest teaching 3.5 Guest disagreement 1.6 Harry pushing back 2.8
speaking balance: gold is Harry, purple is the guest (3 minute bins)
Sharpest disagreement ▶ 25:05 Mark reframes host premise on long board decks
Mark directly pushes back on Harry's insistence on shortening board decks, arguing that long decks often serve as an essential tool for founders to clarify their own internal thinking.
Hardest push from Harry ▶ 16:00 Harry challenges assumption on follow-on obligationsHarry directly refuses the framing that seed funds are obligated to follow on, pointing out that in inflated markets founders gladly accept allocation back.
Biggest teaching moment ▶ 32:13 Mark explains information slop and decision paralysisMark breaks down how information overload creates slop, explaining that over-analyzing deals to retroactively justify decisions typically correlates with poorer investment outcomes.
Harry holds his own ▶ 12:16 Harry details personal mistakes on VC ownership targetsHarry displays sharp personal expertise on portfolio mechanics by detailing his own historical errors in passing on investments due to strict ownership targets.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Harry as informed peer | Guest teaching | Guest disagreement | Harry pushing back | Why |
|---|---|---|---|---|---|---|
| Mark Mullen's Career Origins and Working with Bill Daniels | 3 | 2 | 0 | 0 | Harry welcomes Mark Mullen and asks a standard biographical opening question regarding his early entry into finance and his work with Bill Daniels. Mark provides background on Daniels and his path to co-founding Bonfire without friction. | |
| Lessons in Business Integrity and Adapting to Market Crashes | 5 | 3 | 1 | 1 | Harry introduces an unscripted question referencing Josh Koppelman's views on market crashes shaping VC conservatism. Mark details how navigating multiple downturns led him to adopt a barbell portfolio mindset. | |
| Transitioning from Solo GP to Partnership and Key Investment Misses | 6 | 4 | 2 | 4 | Harry asks Mark about transitioning from solo GP to partnership, probing on key investment misses like Honey and Tinder. Harry pushes back on compressed decision timelines in fast markets versus building founder relationships. | |
| Bonfire's Portfolio Construction and Target Ownership Strategy | 7 | 3 | 2 | 3 | Harry demonstrates deep domain knowledge of VC fund construction, citing target ownership numbers and his own personal mistakes passing on deals with sub-10% ownership. Mark outlines Bonfire's 24-28 company portfolio design. | |
| Preemptive Series A Rounds and Managing Dilution Realities | 7 | 4 | 2 | 4 | Harry questions how Mark handles preemptive Series A rounds and reserves, directly challenging whether seed funds are truly 'stuck' doing follow-ons when founders want allocation back. Mark explains valuation dynamics and signaling risk. | |
| Multi-Stage Seed Competition and Reinvestment Decision-Making | 7 | 4 | 2 | 4 | Harry quotes Samuel Shaw regarding multi-stage funds entering seed rounds, probing how boutique funds compete with Sequoia. Mark articulates how multi-stage funds scale seed checks versus boutique board engagement. | |
| Portfolio Time Management and Re-engineering Board Meetings | 6 | 5 | 2 | 3 | Harry asks how to prevent board meetings from becoming mere reporting sessions. Mark provides board governance advice, gently reframing Harry's critique of long board decks by explaining how founders use them to clarify internal thinking. | |
| Partner Consensus, Individual Check Autonomy, and Scout Program | 7 | 3 | 1 | 4 | Harry references Josh Kopelman's philosophy on consensus and probes whether individual 500k check autonomy lowers the investment bar. Mark explains their peer pressure dynamic and Firestarters scout program structure. | |
| Avoiding Pattern Bias, Managing Information Overload, and LP Insights | 7 | 4 | 2 | 3 | Harry explores behavioral biases in investing and questions if early portfolio wins lower the bar for subsequent deals. Mark discusses managing information slop and how over-analysis can hurt decision quality. | |
| Quickfire Round: Books, Mottos, Venture Myths, and Latest Investment | 6 | 3 | 2 | 2 | Harry runs a fast-paced quickfire segment covering book recommendations, mottos, and VC myths. Mark offers a contrarian proposal that VCs should publish quarterly returns, while Harry banters about small check logo-grabbing. |
Statements from this episode (25)
Bonfire Ventures Stays Early Stage With $101 Million Third Fund
“And so I'm thrilled to welcome Mark Mullen, co-founder and managing partner at Bonfire Ventures, one of LA's leading early stage funds, now on their third fund, with a hundred and one million dollars in the latest.”
Mullen Went Negative Cash to Buy Stocks and Crypto in March 2020
“And for the first time ever last March, I went negative cash and I went big into the market and big into crypto.”
Mullen: Venture Investing Requires a Barbell Strategy With Liquid Assets
“Ventures illiquid. You kind of end up having a barbell mentality where you have a lot of illiquid investments And then maybe some real liquid stuff, for example, in the stock market or just cash.”
Mullen Committed to Scopely and The Trade Desk in First Meetings
“When I first met Walter Driver from Scopely or Jeff Green from the Trade Desk, I invested in the first meeting. I committed to them in that first meeting.”
Bonfire Ventures No Longer Commits to Investments in First Meetings
“We don't do that anymore. It's really hard, right? And especially since I have a team, I can't just walk in and go, yeah, we're going to invest in this company. We need to really talk about it, get through it, understand the pluses and minuses, get people's op…”
Mark Mullen Turned Down Investing in Honey Twice
“I met Sean Radd from Tinder, and I met the guys from Honey. And I turned down honey twice.”
Bonfire Ventures Has Issued a Term Sheet Within Nine Days
“We have done a meeting to term sheet In nine days, which is now apparently a little bit long, I'm hearing things are happening over the weekend, but nine days is a big move for somebody investing in a seed company.”
Bonfire Targets 24 to 28 Seed Deals With 60% Follow-On Reserves
“We're not going to move out of that. So we have a very clear focus in what we do and we do about Seven to eight, seven to nine deals a year. We'll have a 24 to 28 company portfolio, and we do about 40% of the investments are the primary check and 60% follow-on…”
Stebbings: Passing on Deals Over 8% Ownership Target Was a Mistake
“And this is where I've made big mistakes, honestly, Mark. I've said no because it was eight percent, and I wanted 13 or 14, and it was Huge mistakes.”
Bonfire Maintains Series A Pro Rata and Caps Follow-Ons After Series B
“We'll maintain our pro rata in the A round. We might do a little bit in the B, and then we're done.”
Mullen: Series A Rounds Expanded to $20M on $80M Pre-Money
“What's interesting, what you're saying, though, is valuations have jumped, as we all know, and also the amount of capital the A firm is putting in. So where the A round three years ago should be six at 24, it's now 20 at 80, like you're saying.”
Bonfire Prefers Series A Leads Who Reserve Seed Pro Rata
“Also, we, of course, foster our relationships with the A investors, and we tend to start working and only work with A investors who we know are going to come in and say, hey, we want to put in twenty million. We're going to do 19. Figure out the one that you h…”
Bonfire Passes on Full Pro Rata in Preemptive Series A Rounds
“Yeah, and to be honest, like, we're not, in those situations we're talking about, we're not perhaps taking the entire prorata we have, ok? So, we are managing that capital.”
Mullen: Seed Pro Rata Signaling Risk Has Become Far Less Relevant
“One of the reasons that it was important to commit to doing your pro rata was there was this thing called signaling risk, which people were worried about. And that still is relevant today, but less relevant.”
Mullen: Multi-Stage Venture Firms Cannot Scale Hands-On Seed Portfolio Support
“How does a company like Sequoia invest a six hundred million dollar seed fund? How do they write a two million dollar check, let's say in a seed round, and then actually give you the full Sequoia team behind? Maybe they do that. I'm not saying they don't. I'm …”
Bonfire Ventures Does Seven to Ten Deals Annually With Seven Board Seats
“We do about seven to 10 deals a year. We will take seven board seats of those 10, right?”
Bonfire Ventures Blocks Investment Deals if Two Partners Vote No
“When one of us says no, the deal can happen. When two of us says no, especially two of the partners, I mean, it's not going to happen, right?”
Bonfire Allows Team Members to Write $500K Checks Without Consensus
“So any one of the five of us can invest up to 500 grand in a company that we just absolutely believe in, whether it's the founder or the business, just absolutely believe in. And it may be not even a seed round. It's maybe a An angel round, maybe a million buc…”
Bonfire Caps Individual $500K Check Autonomy to Two Deals Per Fund
“Well, you can only do one or two, right? And they are being watched. So in fairness, you have a lot of almost, I wouldn't call it this way, but there is peer pressure to make sure that these Two small checks you make over a three-year period are ones that are …”
Bonfire Gives Six Scouts $250K Each Strictly for B2B Deals
“And so we have six Scouts. We have four in LA, one in Boston, and one in San Francisco. Three men, women, three men. Diverse as well. And we've given each one of them 250,000 dollars. They are to spend it in unique opportunities which are B to B only.”
Mullen: VC Investments Requiring Lengthy Justification Rarely Become Big Winners
“When we spend a lot of time over time making, you know, trying to almost in reverse justify the decision we're about to make, those companies ended up not being the big winners. The ones where you come in and like, we got to do this deal. That founder is unbel…”
Mullen: Sequoia Capital Reports 50% to 60% of Investments Go to Zero
“Even the greatest investors, I think Sequoia says, 50 to 60% of their investments go to zero.”
Mullen's First Angel Investment Generated a 40x Return via Warrants
“My first investment as an angel, which was never called that, as you know, until later on in life, was in... And they needed 10,000 dollars for a server to start their ISP, right? The web hosting company. And I gave them the 10,000, and then they paid me 15% i…”
Mullen: Anyone Can Do VC; the Industry Is Put on a Pedestal
“Oh, that anybody can do this job. I mean I think VC has, is up on this pedestal in some ways, and that it's, there's some sort of secret key to unlock the door to become a VC, and I think you can do it from any type of position.”
Mullen: VC Funds Should Be Required to Publish Quarterly Returns Publicly
“I wish everybody would have to post their returns publicly every quarter. Competition. Let's see what everybody, let's see the hands people are playing. You know, this business is very opaque, right? You can be a VC and never have a return for like 10 years.”