Aug 16, 2023 · 1h 10m · news
Brian Balfour: Startup Growth Secrets from HubSpot; Distribution Stratagies; Impact of AI | E1049 · 20VC with Harry Stebbings
0:00 / 0:00
▶ Watch on YouTube →
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 Reforge founder Brian Balfour, who shares foundational growth frameworks, tactics for building sustainable growth loops, and strategies for aligning products with distribution channels. Balfour also analyzes the future impact of AI on marketing automation and examines competitive platform dynamics between tech giants.
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 14.5% of the talking time here. How this is scored →
Harry as informed peer 3.4 Guest teaching 4.4 Guest disagreement 1.8 Harry pushing back 2.2
speaking balance: gold is Harry, purple is the guest (3 minute bins)
Sharpest disagreement ▶ 17:01 Dismissing binary pre-PMF growth hiring premise
Brian directly rejects Harry's contrarian framing on pre-PMF growth hiring, calling it an 'and, not an or question' and forcing Harry to reconsider.
Hardest push from Harry ▶ 1:02:01 Harry refuses Twitter vulnerability framingHarry explicitly pushes back on Brian's claim that Twitter is vulnerable, stating he would bet on Twitter over competitors like Threads.
Biggest teaching moment ▶ 17:01 Brian dismantles Harry's binary hiring setupBrian explains why growth hiring depends entirely on the product type and machine, leading Harry to concede that his own question was terrible.
Harry holds his own ▶ 1:02:49 Harry analyzes Threads vs Twitter interest graphsHarry leverages insights from his interview with Adam Mosseri to argue why Threads fails to map the interest graph needed to unseat Twitter.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Harry as informed peer | Guest teaching | Guest disagreement | Harry pushing back | Why |
|---|---|---|---|---|---|---|
| Coming Up: Chaos is Good for Growth | 1 | 2 | 0 | 0 | Harry warmly welcomes Brian and asks about his initial foray into growth. Brian explains the origin of growth practices during the Facebook social gaming era without conflict. | |
| The Set Menu and Patience of Growth Loops | 1 | 3 | 1 | 0 | Harry asks what advice Brian would give his younger self. Brian explains that growth tactics exist on a set menu rather than an infinite list, emphasizing patience with compounding growth loops. | |
| Inputs vs. Outputs: Defining the Growth Model | 3 | 5 | 1 | 2 | Harry sets aside his prepared outline to ask how to differentiate something failing from needing consistency. Brian educates Harry on focusing on input metrics rather than output metrics and defining a true growth model. | |
| Finding and Quantifying the Constraint | 4 | 6 | 3 | 2 | Harry brings up founder confusion around finding growth constraints in PLG SaaS companies. Brian challenges Harry's assumption, stating that most founders do not actually understand their underlying growth machine. | |
| Pre-PMF vs. Post-PMF Growth Hiring Strategy | 5 | 7 | 4 | 4 | Harry presents a contrarian theory that growth should be hired pre-PMF. Brian forcefully rejects the binary premise as an 'and, not an or question,' leading Harry to admit his question was flawed. | |
| Beyond Product-Market Fit: Product-Channel Fit | 2 | 5 | 2 | 1 | Harry asks about Brian's quote that PMF is not enough. Brian breaks down product-channel fit and channel-model fit, emphasizing that products must mold to channels rather than vice versa. | |
| Aligning Enterprise Software with Channels and Core Sales | 3 | 5 | 2 | 2 | Harry tests an analogy comparing high-priced software channel fit to luxury brand placement in first-class flights. Brian gently redirects the discussion back to software sales models. | |
| Channel Selection, Saturation, and Multi-Product Strategy | 4 | 4 | 1 | 2 | Harry quotes Kip Bodnar regarding one channel reaching $50M ARR and two reaching $100M ARR. Brian agrees and uses HubSpot's multi-product trajectory as a case study in managing saturation. | |
| Internal Venture Funding and Over-Resourcing Pitfalls | 3 | 5 | 3 | 2 | Harry asks whether resources should be split across four bets when a channel saturates. Brian immediately rejects this approach and outlines HubSpot's disciplined internal venture funding model. | |
| Bottoms-Up Adaptation: The HubSpot Sales Hub Story | 2 | 5 | 1 | 1 | Harry asks how to handle channels generating attention without revenue. Brian introduces his 'adapt or kill' framework and illustrates it with the story of HubSpot Sales Hub. | |
| Four Common Metrics Pitfalls in Growth Teams | 3 | 6 | 1 | 1 | Harry asks for common metrics mistakes made by founders. Brian provides a clear four-point breakdown, detailing why focusing on revenue over usage is a fundamental error. | |
| AI's Real Impact: Automating Tactics, Preserving Strategy | 5 | 5 | 2 | 6 | Harry cuts in when Brian claims identifying aha moments will be automated by AI, questioning how nuance can be automated. Brian clarifies the distinction between quantitative mechanics and strategic context. | |
| Learning from Mistakes: Virality Misalignment & Spammy Growth Hacks | 3 | 4 | 1 | 2 | Harry prompts Brian to share major past growth mistakes. Brian explains strategic missteps at HubSpot and Reforge before sharing an amusing story about a viral Facebook gifting hack. | |
| Timeless Growth Tactics in the Quick Fire Round | 3 | 3 | 1 | 1 | During a rapid fire segment, Harry asks about timeless versus dead growth tactics and top industry practitioners. Brian provides concise reflections. | |
| Dismantling the Single Misconception of Growth | 3 | 4 | 2 | 2 | Brian dispels the idea that growth is a singular discipline, comparing it to engineering. Harry shifts to platform vulnerability, where Brian highlights Meta's institutional strength. | |
| Competitive Platform Dynamics: Twitter vs. Threads | 8 | 2 | 3 | 7 | Harry firmly rejects Brian's view that Twitter is vulnerable, bringing in his interview with Adam Mosseri and analyzing interest vs friendship graphs to demonstrate why Threads won't replace Twitter. | |
| Analyzing Outstanding Recent Growth Strategies | 4 | 4 | 2 | 2 | Harry asks for the most impressive growth strategies over the past year, suggesting Canva and OpenAI. Brian distinguishes between product virality, breakthrough tech, and execution. |
Statements from this episode (43)
Balfour: Market chaos creates growth arbitrage opportunities for startups
“Chaos is actually good for growth people, because within that chaos lives these arbitrage opportunities, these new things that nobody else has figured out, and those sparks are what give new companies and new things life and hope.”
Balfour: 70% of early growth leaders came from Facebook social gaming
“I made my way into growth where I would say, like, 70% of, like, the growth OGs made into growth, which was the early Facebook platform social gaming. Days. If you look at like some of the top people in growth, there's like a lineage. It's like almost like a c…”
Balfour: Company growth strategies consist of a limited set menu
“There's not an infinite world of growth options. It's actually it's fairly well defined and constrained, and that's something that I've, like, I've learned pretty dramatically, especially through Reforge, where I get to see inside, you know, the growth of thou…”
Balfour: Growth loops mirror compound interest and require long-term conviction
“When you look at a lot of the highest flying growth strategies, right, what is underneath them is what we call every forge growth loops, where other people call flywheels, but they're basically systems that work like compound interest, right? They're things th…”
Balfour: Focusing on output metrics kills growth initiatives prematurely
“The mistake that most people look at and the reason they kill things too early is that they're looking at the output and not the inputs and seeing like how those things are improving.”
Balfour: Paid capital does not drive Loom's growth, organic loops do
“Money does not help that company grow that much, right? The things that are helping that product grow are its organic viral in content loops, right?”
Balfour: Most founders cannot draw their product's growth machine
“I actually think most people, A lot of people don't understand what the machine is. And the reason is, is if you ask them to draw you a picture that answers how does the product grow, right? They'll either struggle to draw that picture or it'll like, it'll loo…”
Balfour: Activation is the primary growth constraint for horizontal SaaS
“Very commonly with the product we were talking about, Loom, which is like a horizontal product the constraint is activation, and the reason the constraint is activation is that the biggest strength of horizontal products is also its biggest weakness, is that i…”
Balfour: Marketing growth hires cannot fix failing viral product loops
“And those things are driven so much by virality that if you're not getting the viral loops working, well then hiring a different type of growth person, a marketing or some other thing, it doesn't fucking matter, right? Like you're dead in the water.”
Balfour: Product-led viral startups should delay growth hires until post-PMF
“Loom is the example where I would probably wait till post product market fit to start to carve out like a dedicated product growth team, dedicated marketers, right?”
Balfour: Non-viral B2B startups need day-one growth hires before PMF
“Whereas the amplitude competitor is one where it's like, Hey, I need somebody dedicated on this from day one to drive some volume to understand whether or not what the hell we're building is even close to on the mark.”
Balfour: Product-market fit alone cannot build a venture-scale business
“Product market fit is not enough to build a venture scale business, meaning like a hundred million plus, I kind of pick a number out, a hundred million plus in revenue within some you know, reasonable time period.”
Balfour: Products must be molded to distribution channels, not vice versa
“We cannot mold channels to products. We have to mold the product to the channel, right?”
Balfour: Viral growth loops do not work for $10,000 upfront products
“You can't use viral loops for a product that you're charging 10,000 dollars up front for. It just doesn't work when you do the math.”
Balfour: Brand awareness alone cannot drive enterprise software customer acquisition
“Like awareness and these other pieces, but that alone is not going to drive customers for an enterprise product. And even if you were doing it, if you looked at the overall mix of like, you know, at scale of what's driving customers, it's going to be a pretty …”
Balfour: Early enterprise startups must focus on core sales over secondary channels
“I can try, I can do a bunch of these, I can do a bunch of these things, but it's actually pulling attention away in the early days from actually understanding and getting that, that core machine working.”
Balfour: Diversifying growth channels early is a bad investor mindset
“Once you figure out kind of that core, that thing that's working, it's almost always in a venture scale company, the better thing to do Is to focus your firepower, your limited attention, your limited capital, your limited talent on fueling that thing as fast …”
Balfour: Companies assume growth channels saturate sooner than they actually do
“I think the tendency is to actually think something is going to saturate much more quickly than it actually does.”
Balfour: HubSpot has never missed earnings since its IPO
“They have not missed a earnings since they went public, which was like eight years ago. I don't know if most people that they have never missed in earnings, the perfect record as far as I know.”
HubSpot funded internal product bets using VC-style seed and Series A rounds
“The philosophy behind it was, okay, we are going to start with multiple bets. We are going to treat each one of these bets like a new venture investment. We are going to seed fund this. And so they like made us come and they would pitch for our seed funding fo…”
Balfour killed and reset an over-resourced Reforge product bet
“And look, we made this mistake at reforge with one of our new product bets. And last year I had to kill it, fully reset it, handpick a team of three people and we re and go forward with it.”
Balfour: Extra headcount and capital do not accelerate finding product fit
“Sometimes more people, more money does not help you find things faster. It's about going through the natural stages with their natural constraints to find things along the way.”
HubSpot's Sales Hub hit 100k WAUs before identifying severe user mismatch
“We got to, I don't remember, it was like maybe like a 100,000 weekly active users or something, and then we looked at the user base, and there was a huge mismatch between the types of used, a lot of the types of users that were being, that were showing up in t…”
Balfour: Kill non-core growth experiments to protect focus on core engine
“Honestly, with limited time, limited resources, like, you gotta kill it, right? Because what you're doing is you're stealing time and attention away from finding that core machine that does contribute. You're focused on the icing, not the cake, and you need to…”
Balfour: Metrics measure if a growth strategy is working, not define it
“Your metrics are there to help answer the question, is your strategy working? Right. And so they are not there to determine your strategy.”
Balfour: Product usage drives revenue, so teams must prioritize usage metrics
“Usage is what creates revenue. Revenue does not create usage, right? So you have to understand the usage of your product first.”
Balfour: HubSpot grew by tracking user-level usage instead of account-level usage
“Like HubSpot, we had a customer, but we had multiple users on that, like customers account and to understand how to move, grow the business and how to grow the product. It actually wasn't about a usage metric at the customer level. It was about a usage metric …”
Balfour: AI will automate routine growth tactics and quantitative analyses
“I think the surface level tactics and systems will definitely change a lot. So I would say like a lot of these analyses that, you know, seven years ago, eight years ago were sort of leading edge things like Finding what your habit and aha moment are, for examp…”
Balfour: AI won't master qualitative product nuances or user psychology
“The things that don't change, right, that I don't think AI is going to really help you with that much is understanding, like, all of these qualitative underpinnings of your product, of your use case, of your problem, of your natural frequency, and then the psy…”
Balfour: Growth comes down to four fundamental steps
“Growth boils down to four things, which is you find an arbitrage opportunity. You use that to spark some type of compounding system, some type of growth loop. You optimize the crap out of that system, and then you repeat that, but don't wait too late, right? L…”
Balfour: Pushing virality at HubSpot was my biggest mistake
“My biggest mistake at HubSpot was a little bit of what we touched on before, which is that I was in love with, like, the virality and other things that we had going with the early product, but there was a disconnect with the core target market of the core busi…”
Reforge's early subscription growth blinded leadership to missing retention features
“We transitioned from a transactional to a subscription model, a membership model, and that had huge growth initially like just massive growth. And that kind of put the blinders on us to whether or not we were also doing the things to make a subscription produc…”
Balfour: Direct messaging on WhatsApp remains a massive growth factor globally
“Like in some parts of the world, like WhatsApp, for example, is just a massive growth factor for folks. I've looked at companies that are like complete, their entire growth strategy is on WhatsApp. So like that, that type of direct messaging, I think still, st…”
Balfour: Address book import growth tactics no longer work
“Look, just taking something as taking something as simple as like importing somebody's address book, as an example, that doesn't really work anymore because the There's been so much misuse of that, that people are skeptical and fatigue and like all that kind o…”
Balfour: Growth tactics die from channel changes or user fatigue
“It's either due to a change in the distribution channel due or due to like some form of user, user fatigue.”
Balfour names Winters, Contractor, and Cabane as top growth practitioners
“Strategically would be Casey winners. The best person that has thinks about the psychological elements of growth would easily be Darius contractor. The person like a very specialty who I consider like a mad scientist is I call him G, but it's Guillaume Cabane.”
Balfour: Treating growth as a single discipline is a fundamental mistake
“Growth does not mean one thing. As we've talked through, you have to understand the different types of growth systems out there, the ones that work with what types of businesses, and then how do you map talent metrics in other things to those systems. And so I…”
Balfour: Twitter is the most vulnerable incumbent tech platform right now
“Well, I mean, it's hard to not say Twitter right now from a vulnerability perspective.”
Balfour: Facebook is the strongest and least vulnerable tech incumbent
“So I think this is a little topic du jour, but I think you got to go Facebook for a few reasons. One is that they still have the OG growth talent that, that they did from. 15 years ago Javier, Alex Schultz, right? Like those people are still There, right? Like…”
Stebbings: Threads will stall at 5M DAU while Twitter grows
“I would say threads does not work. Maybe it teases along at five million DAU with hardcore small numbers. And I would say Twitter has modest growth to Two 75, 300 with election spikes.”
Balfour: Twitter daily active users will stay flat at 250M
“Yeah, I chose, they're flat. I think Twitter's flat, two fifty million.”
Balfour: OpenAI's growth is driven by tech talent, not growth strategy
“There's these situations like open AI where they kind of captured lightning in a bottle. I wouldn't attribute amazing growth strategy or growth talent there. I would attribute that to amazing technology. Talent and product talent, but I think those two things …”
Balfour: Shopify has the highest growth talent density in tech
“Shopify probably has the best talent density at the moment. Luke Levesque is basically, like, Probably one of the most amazing recruiters I know, and he's built the talent density there that I would easily say is probably the highest talent density team like a…”