David Spiegel

Promoted to Product Lead in February 2025.

A direct-to-consumer telehealth company serving men’s health, women’s health, and GLP-1 care. Bootstrapped to $5M in monthly recurring revenue.

As the first product hire, I helped grow the business from 10,000 to 50,000+ patients. I led five engineers and overhauled intake, checkout, subscriptions, fulfillment, and the patient portal.

• +76% average order value
• +30% conversion

• Improved plan selection and pricing through tested changes, including clearer monthly pricing, a three-month default, and a six-month option.
• Cut medication delivery from about two weeks to three days by resolving fulfillment bottlenecks with clinical and operations teams.
• Raised the positive Trustpilot review rate from 20% to 92% in four months and grew review volume eightfold.

A global advertising marketplace processing more than 160 billion bids a day across web and mobile.

The first PM dedicated to ad rendering. My team owned Display, In-App, Native, and Video ads. I set the roadmap with three engineers, improving how reliably ads loaded and launching new formats with design, sales, and product marketing.

• $1.8M added annual revenue
• 1.9× Countdown ad clickthrough

• Improved latency, load times, render rates, video start rates, and reliability to add annual revenue.
• Built an internal ad-quality assurance platform in three weeks, reducing escalations and raising teams’ confidence from 4/10 to 9/10.

A digital media and ad-tech company with $150M in revenue, acquired by Perion (NASDAQ: PERI).

I owned product for 20+ partner sites run with premium publishers, including Vice, Newsweek, and Refinery29. Together they earned $40M a year in ad revenue and drew 43M monthly visitors. I tracked the P&L across ad partners and media buying. I used SQL and experiments to improve layouts, ad placements, targeting, refresh cadence, and bidding.

• +50% mobile revenue per session
• +30% desktop revenue per session

• Defined features for the internal platform used to manage publisher sites and roll out monetization changes, working with engineering, data science, ad operations, and media buying.

A direct-to-consumer hardware company making a solar-powered fitness tracker.

I redesigned the homepage and improved paid acquisition and tracking. Monthly sales grew more than 4× in the first full month and 9.4× in two months, and I helped sell out the product batch. Work on the next launch spans positioning, e-commerce UX, lifecycle marketing, and analytics.

An AI platform for social media marketers: a B2B agent platform and a consumer iOS app.

I studied both products and their usage data to understand onboarding, engagement, and retention. I identified behaviors that separated active and subscribed users from people who churned, then gave the team a prioritized plan of improvements and tests.

A virtual world and creator platform with a marketplace for digital assets and virtual land. It later raised a $93M Series B led by SoftBank Vision Fund 2 and was valued at $1 billion.

I used heatmaps, session recordings, and interviews to redesign the homepage, NFT marketplace, onboarding, and LAND map. The work reduced bounce rate by 40%.

Ran affiliate-commerce analytics and the email program for Us Weekly and Men’s Journal, making email the primary driver of affiliate revenue.

Added $1.4M in annualized revenue through onboarding A/B tests on sites generating more than 900,000 daily consumer registrations.

Raised a pre-seed angel round and led design and development of an iOS social app, including branding, product specifications, and go-to-market. Awarded an NYU Campus Coding Collaborative grant.