a.j. ohiwerei

a.j. ohiwerei is a senior product manager and strategist in new york, turning messy problems into products that feel simple.

available for senior product roles · new york or remote

impact
+81%
placement growth at stepful
60M+
users reached at quizlet
12M+
extra user sessions driven
$1.4M
new annual revenue driven
about

six years building consumer products across growth, engagement, and zero-to-one, most recently at stepful and quizlet.

lately building with ai, because the best pms don't just spec things anymore. they build a rough version to learn faster.

lived three years across japan, korea, and china, and still chases new countries whenever he can. most recently a few weeks in brazil and peru.

work
stepful product · scaled placements +81% new york · 2025
  • turned a manual, ops-bound process into a self-service platform. placements 250 → 460/mo (+81%).
  • grew student-driven placements 20% → 56% (+280%), removing ops as the growth ceiling.
  • redesigned the core flow to double the call rate, and learned sql to run his own funnel analyses.
quizlet growth & core product · 60M+ users seattle · 2021–24
  • owned engagement systems (streaks & badges) behind 12M+ incremental sessions.
  • designed free-to-paid funnels that doubled traffic, $1.4M in new annual revenue.
  • built an internal gpt tool to query five years of user research in seconds.
ramen hero growth · email drove 30% of revenue san francisco · 2019–21
  • built the email program from zero to 30% of total company revenue.
  • scaled paid acquisition across facebook and instagram, 3× monthly new customers.
princeton in asia teaching fellowship japan · 2017–19
  • competitive service fellowship teaching english in rural japan, where he learned to operate far outside his comfort zone.

click a role for detail.

skills
zero-to-one product
growth & experimentation
strategy & prioritization
ai-native prototyping
user research
jobs-to-be-done
simplifying complex flows
cross-functional delivery
education
princeton university b.a. · east asian studies
tradecraft accelerator · product growth track
social