Cameron McDiarmid
LOS ANGELES,California
Summary
Retention and growth marketing leader with 8+ years of experience driving user activation, engagement, and long-term retention across large-scale consumer products. Deep background in lifecycle strategy, experimentation, and cross-functional product partnerships. Proven people manager with a systems-level approach to behavior change, personalization, and iterative growth. Active Strava ecosystem participant with hands-on experience building against the Strava Developer Platform.
Overview
3
3
years of professional experience
Work History
Founder
TrainGPT
Los Angeles, CA
03.2025 - Current
- Designed and built a consumer product focused on habit formation, motivation, and long-term engagement for endurance athletes; delivered structured training plans to 200+ users.
- Integrated with the Strava Developer Platform, working directly with Strava APIs to ingest activity data and power personalized, data-driven training experiences.
- Applied lifecycle and retention principles to product design, including onboarding flows, progress feedback loops, and engagement-driven UX.
- Attended the Strava Developer Summit (2024), collaborating with and learning directly from the Strava developer ecosystem.
- Translated athlete behavior and motivation into scalable product mechanics, reinforcing a product-first approach to retention and engagement.
Customer Marketing Manager, VIP SBK Strategy
FanDuel
06.2023 - Current
- Founded and now lead FanDuel's first dedicated VIP retention and lifecycle function, defining strategy, operating model, and performance measurement for high-value Sportsbook customers
- Owned multi-million dollar monthly customer investment budgets, allocating capital across incentives, lifecycle campaigns, and reactivation programs to maximize longterm customer value and ROI
- Developed behavioral and value-based customer segmentation frameworks used to inform targeting, offer strategy, and prioritization across the customer lifecycle
- Partnered closely with Analytics to evaluate incrementality, VIP performance, and return on spend informing executive level decisions on customer investment
- Worked cross-functionally with Acquisition, Commercial, Creative, and Compliance teams, ensuring lifecycle strategy aligned with acquisition reality, regulatory requirements, and sporting calendar
- Acted as a strategic advisor to leadership on VIP economics, generosity philosophy, and sustainability
Customer Marketing Manager, SBK Retention Strategy
FanDuel
12.2022 - 06.2023
- Owned lifecycle and reactivation strategy for sportsbook customers across active, at risk, and lapsed segments
- Designed and executed reactivation and engagement programs aligned with major sporting events, contributing to new business revenue from existing customer bases
- Managed lifecycle marketing budgets and partnered with Analytics to assess ROI, customer response, and downstream value
- Collaborated with Acquisition and Commercial teams to align lifecycle incentives with acquisition quality and market conditions
- Ensured all lifecycle marketing activity complied with state level regulations and partner requirements
Education
B.A. - Philosophy, Environmental Systems and Society
University of California, Los Angeles
01.2017
Skills
- Braze
- MailChimp
- Tableau
- Movable Ink
- SQL
- Branch
- JIRA
- Excel
Websites
Timeline
Founder
TrainGPT
03.2025 - Current
Customer Marketing Manager, VIP SBK Strategy
FanDuel
06.2023 - Current
Customer Marketing Manager, SBK Retention Strategy
FanDuel
12.2022 - 06.2023
B.A. - Philosophy, Environmental Systems and Society
University of California, Los Angeles