Pittsburgh, PA

Hi, I'm John.

COO at Trainwell. Data scientist by training; growth and operations by trade. Investing in the reserve study industry. This site collects my projects, ideas, and interests.

John LaGue
$1k → $9.5M ARR
at Trainwell as first growth leader; $40M+ revenue in the years since
3 → 125 employees
at Trainwell, scaled as COO
Y Combinator Founder
Went through the startup accelerator behind Airbnb, Reddit, and DoorDash with ~1% acceptance rate.

Where I've worked

Resume (PDF) · TXT
Sep 2026 — Present
Investor / Advisor · Iron City Reserves
  • Investor in and advisor to an early-stage company in the reserve study industry.
Feb 2021 — Present
Chief Operating Officer · Trainwell
  • Trainwell is a 1-on-1 remote personal trainer and fitness app that has helped tens of thousands of people build healthier habits.
  • Drove B2C ARR from $1k to $9.5M as growth leader before hiring a head of growth; scaled to $40M+ in revenue in the years since.
  • Scaled the company from 3 to 125 employees as COO.
  • Acquired customers on both $0 and $6.5M marketing budgets.
  • Supported execution of a large-scale partnership with Peloton.
  • Oversee all marketing/growth, customer support, and operations.
Feb 2020 — Nov 2021
VP of Growth · Trainwell
  • First full-time hire.
  • Found initial user traction using the Bullseye framework outlined by Gabriel Weinberg (DuckDuckGo).
Feb — Sep 2020
Data Analyst · PNC Bank
  • Extracted, cleaned, and analyzed millions of data points across home equity, mortgage, and credit card products (Python, T-SQL, Hadoop, PL/SQL).
  • Defined the strategy for identifying mortgages with imperfect insurance termination dates, saving customers thousands.
  • Key resource for the SBA Paycheck Protection Program — processed and approved hundreds of small-business loans.
Jul 2019 — Aug 2020
Founder · PocketPosture
  • An ecommerce store selling posture-improvement devices. Broke even on sales.
  • Primarily a space to experiment with off-the-wall marketing ideas — see the Towards Data Science article.
Dec 2017 — Jul 2019
Co-founder & COO · Community Phone (Y Combinator W19)
  • Affordable cell phone service (MVNO). Bootstrapped from $0 to $300K ARR in one year.
  • Wore many hats: sales, customer success, marketing, business development, analytics, retail management, recruiting, product sourcing, and more.
  • Front-page coverage in the Boston Globe.
Nov 2017 — May 2018
Data Science Practicum Team Lead · LA County Elections Department
  • Cut ballot collection times by 12% in the 2018 primary elections using the Google Maps API and k-means clustering.
Jan 2015 — Dec 2017
Teaching Assistant · University of San Francisco
  • TA for 5 university Mathematics & Data Science courses.

Education

Skills

  • Growth strategy
  • Performance marketing
  • Funnel optimization
  • SEO
  • Influencer marketing
  • Python (advanced)
  • SQL (MySQL, PostgreSQL)
  • R
  • Predictive modeling
  • Google Analytics

Awards

  • Most Impactful Graduate Research award — USF, 2017
  • Inducted into Pi Mu Epsilon, mathematics honor society — 2016
  • 2nd place — Data Institute Data Science Hackathon, 2017

Published work

Towards Data Science · Dec 2019

Is it possible to predict poor posture?

Scraped ~1,000 websites to collect 200K+ public emails, ran a large-scale habits survey, and analyzed whether daily behavior predicts poor posture.

IEEE IEMCON · 2018

Applying deep learning to public health

Predicting thyroid disorder from imbalanced demographic data alone — +35% accuracy vs. the industry benchmark. Won USF's "Most Impactful Graduate Research" award.

All projects, including older school work and case studies

Coverage

Trainwell was previously called CoPilot, and before that DeltaTrainer — so the earlier coverage runs under those names.

Trainwell

Podcasts

Community Phone