Dmitry Gurski on Building Flo Health Through Retention and Simplicity

Flo Health co-founder and CEO Dmitry Gurski speaks with Harry Stebbings about building a consumer subscription business, learning from users, fundraising and relocating a team. His descriptions of Flo's health product and business metrics are company statements from its CEO, not independent clinical or financial assessments.

Gurski recalls growing up in Belarus during the difficult 1990s, when his family grew potatoes and vegetables. Farming taught him patience, hard work and the need to diversify: effort does not guarantee a harvest, but without planting there is nothing to harvest.

As a child he and his brother chose to gather mushrooms rather than berries for money. Berries offered steadier output, while mushrooms required searching and brought more variable returns. He sees that preference for uncertain upside as an early lesson in taking risks.

Before Flo, he spent around a decade in book publishing, writing computer books and working with his brother. The arrival of mobile app stores led them to start content apps and eventually health products. He says they built dozens of apps and had several exits before Flo.

Flo followed two unsuccessful attempts at a period tracker. His theory is that earlier apps were too complicated: for consumer products, he considers simplicity more important than a long list of features. He admits he cannot know with certainty why the earlier products failed.

Asked how male founders could build a product for a need they did not personally experience, Gurski rejects a universal rule that founders must have their own pain point. He says the team recognized its lack of knowledge, researched the market and listened to users and doctors. He reports more than 1,000 user-research efforts over time; the interview does not specify their designs or clinical outcomes.

The period-tracking market already had many competitors, which he says gave the team opportunities to learn. He believes early product improvements and sustained investment gradually built an advantage, and reports about $150 million invested in product over the company's history. These are his company's figures and competitive assessment.

Gurski argues that competition can improve products and educate customers, though he does not welcome a market with no margin and excessive rivals. Stebbings says he finds crowded markets hard to invest in; they see the same conditions differently.

Shortly after launch, Gurski saw long-term retention stronger than in previous apps and believed the addressable audience could be large. He does not disclose the six-month retention rate. His claim that the use case supports retention is a business interpretation, not a clinical finding.

He distinguishes retention caused by a recurring need from improvements or damage caused by product quality. A period tracker can address a recurring use case, while fitness products may face different behavior. His comparison is an illustration, not a claim that every person's cycle or usage is the same.

The team imagined a wider health product around period tracking: the tracker could bring users back, while additional content and features could provide value. Gurski says the idea appeared in an early fundraising deck but took years and substantial investment to build. The interview does not establish the medical accuracy of those features.

He says Flo initially acquired users organically through app-store discovery and good ratings, later benefiting from word of mouth. It reached about one million users in a year, by his recollection. He cautions that organic acquisition may be harder for a new consumer product today.

Early fundraising forecasts underestimated later growth, he says, partly because he did not expect Flo to capture a substantial share of an established market so quickly. He attributes early growth primarily to product quality and organic distribution; the interview does not provide a controlled comparison with competitors.

Flo began spending more significantly on paid acquisition around 2020–21 after starting monetization. Gurski describes a cycle in which revenue could fund product development and acquisition, but he does not provide acquisition costs, payback periods or independently verified unit economics.

He is skeptical of vague uses of 'brand' and 'culture' and prefers to ask what specific activity changes. He says he directs spending toward product whenever he cannot see the impact of another budget. Stebbings challenges whether underinvesting in brand could eventually constrain the company.

Gurski gives his own frugality as an example, saying he chooses economy travel and would rather spend the difference on product work. He accepts that another founder might make different choices; he rejects the idea of a single universal management manual.

On startup speed, he says the first objective is not to run out of resources before finding something that works. Speed is useful if the budget supports several experiments rather than one expensive attempt. He reports a $300,000 seed round at a roughly $3 million valuation in Belarus, with the relevant costs and circumstances of that time.

He and Stebbings compare the seed valuation with a later valuation above $1 billion and suggest a roughly 300-fold increase. That is a rough valuation comparison, not a verified investor return: dilution, share terms, fees and whether shares were sold all affect proceeds.

Gurski jokes that founders must be a little irrational to take difficult risks, while Stebbings worries cheap capital can turn entrepreneurship into a low-risk option. Gurski thinks the easy funding period had ended by the interview. These are their perspectives, not measured success probabilities.

He describes fundraising as repeated rejection that can undermine a founder's confidence. He believes his Belarusian origins, accent and unfamiliar profile made it harder to access investors who favored people with backgrounds like their own. That is his experience and interpretation, not a finding about every investor.

At first the team assumed creating value would be enough to make people pay. Monetization required explaining the product and experimenting with how it was offered. He says premium conversion during onboarding rose eightfold over several years after many tests; an eightfold level is a 700% increase from the starting point, despite his simultaneous reference to 800%.

Gurski attributes some of his caution to impostor feelings and says greater company scale brought more responsibility rather than eliminating anxiety. He views that discomfort as one motivation to keep improving, while describing it as his own experience.

He says willingness to pay for subscriptions changed over time. He estimates that, excluding teenagers, perhaps 25–30% of Flo's US audience paid at the time, up from an early ambition of 5%. The audience definition, measurement period and independent verification are not provided.

Pricing decisions should consider the whole funnel, he argues. A higher price can reduce activation, retention or acquisition, so the business should evaluate revenue and profitability together rather than optimize price in isolation.

When deciding whether a feature should be free or paid, the team tests the effects on revenue and retention. Gurski says Flo would not accept a large revenue gain that seriously damages retention. This describes the company's stated decision process, not a guarantee for every change.

For a subscription, he regards continued payment as a stronger sign of value than an initial conversion. He believes recurring payments align incentives toward long-term usefulness, while contrasting them with one-time sales and advertising. Retention alone does not establish medical effectiveness.

He estimates it took about four years to reach $100 million in revenue after monetization began in 2018, when the product already had roughly 15–20 million users. Asked what he would change, he says he would have started charging earlier so revenue could fund development. These are approximate company figures, with the revenue period not specified further.

Gurski says focus matters and recalls advice from Vinod Khosla to choose a business model rather than pursue every opportunity. The team has no plans for a wearable device in this conversation. He acknowledges a broad app can challenge that focus and says separate teams own different parts.

The difficulty is combining those features without losing simplicity. He says user research has repeatedly identified simplicity as a leading reason people value Flo. That is his description of internal research, not an independently reported study.

Fundraising remained difficult and repetitive, he says. He praises General Atlantic's understanding of consumer subscriptions and notes that it became an investor after a competitive process. His favorable assessment concerns a current commercial partner.

He warns against applying every business-to-business SaaS retention assumption to consumer subscriptions. Consumers can leave, reinstall and return; he says roughly 40% of Flo installs came from previous users. Cohort revenue and repeated subscription behavior may therefore be useful alongside a single retention measure.

The speakers compare Flo's private valuation and revenue with public software multiples and discuss how much valuations changed between 2021 and later years. Gurski says market prices can be volatile and difficult to call fair. His multiple estimates and comparisons are time-specific and not investment advice.

He expects consumer subscription businesses to continue growing and predicts more large companies in the category. He cites estimates about app-store subscription revenues, but these are his projections and recollections rather than verified figures in the interview.

Gurski says good investors can add value through board accountability, structured reflection and advice. He jokes about one investor's role in provoking founders to prove them wrong, then says fundraising rejection should not automatically be treated as personal.

He says skepticism about Flo's early vision was understandable because there were few comparable outcomes. He sees early investing as distinguishing uncertain but potentially large opportunities from those that cannot work, while emphasizing the importance of a capable team and market.

Asked how Flo could become a $10 billion company, he compares it with Duolingo and speculates about reaching around $600 million in revenue while maintaining strong growth and profitability. This is an illustrative ambition, not a forecast or a valuation formula that guarantees such an outcome.

He resists the idea of a perfect CEO. His strength, he says, is turning complex information into clear decisions; his weakness can be waiting too long to change. He recalls the 2008 crisis and later regional political disruption forcing moves he might otherwise have delayed.

Gurski describes a modest lifestyle and says personal wealth is less motivating to him than meaningful work. He admires Chuck Feeney's philanthropy and believes successful people should consider returning resources to society. These are his values, not a prescription for every family.

He regrets treating some people without sufficient care when firing them earlier in his career. He says difficult experiences made him more empathetic. He has worked with his brother Yuri for decades and says their different strengths complement one another; his wife has also worked with him in content and executive support.

Political instability in Belarus and the war in Ukraine forced rapid relocation. Gurski says more than 200 employees were in Belarus and roughly 90% relocated with families within days, using charter flights where ordinary travel was unavailable. He describes significant stress, several months of disrupted product progress and millions in costs; these figures are his account.

He says trust was essential to persuading employees to move quickly with their families. He also reflects on his reserved mother's response to the brothers' success. The relocation story is personal testimony rather than an assessment of every employee's experience.

In quick fire, he emphasizes disciplined work, persistence, risk-taking and luck over a simple notion of innate talent. His view is based on personal experience; it does not establish that people's abilities or opportunities are identical, and his account of long working hours is not a universal recommendation.

He tells a story about a programming book he wrote that later helped a young developer, who became involved in MSQRD. After a sale to Facebook, some proceeds helped finance Flo, he says. He uses the long chain of events to illustrate how work can have unexpected effects years later.

Gurski discourages turning CEOs into heroes and emphasizes teamwork. He favors decisiveness over analysis paralysis, while acknowledging that nobody can know the future. His argument is to learn from decisions, not evidence that every quick decision is good.

He says generative AI has affected businesses more slowly than he expected and points to programming and support as areas with early uses. This is his time-specific assessment, not a comprehensive survey of AI's economic impact.

Asked about criticism of a male CEO leading a women's health company, he says he understands the concern and hopes more women succeed as founders in the sector. He believes Flo's commercial success can help investors recognize the market; that is his perspective and does not resolve questions of representation or product quality.

He says leaders should understand their weaknesses and complement them with other people, rather than imagine a perfect CEO. He has hired a communication coach to improve an area he considers weak. The interview ends with a lighthearted exchange and thanks.