Testbook
12.9×
Return on ad spend
On ₹8.08 L of monthly media across four channels.
Hi, I’m Parijat Kulkarni 👋
Growth & Product Marketing leader at NxtWave. I own acquisition, retention, pricing and the teams behind them.
9 years5 companies4 advisory mandatesHyderabad
Proof, not adjectives
Testbook
12.9×
On ₹8.08 L of monthly media across four channels.
Testbook
35K+
Volume up 2.3× while CAC fell 30%.
NxtWave
68→81%
Up from 68% after I re-architected the learner lifecycle.
NxtWave
6,800
Up from 1,300 in two years.
01 / 04
Experience
Scroll the roles and the path follows. Drag it to look around.
FEB 2025 – NOW
Growth & Product Marketing
Own the retention P&L and go-to-market: positioning, pricing and the learner lifecycle. Took IIT Kharagpur OCN to ₹1.2 Cr in incremental revenue.
SEP 2022 – AUG 2024
Growth & Marketing (West Zone)
Ran a four-channel acquisition engine across creator, offline, performance and brand, and launched four premium SKUs at 18% higher ROAS.
JUN 2020 – OCT 2022
Senior Growth Marketing Manager
Owned paid demand generation and the creative testing roadmap.
JAN 2019 – APR 2020
Growth Marketing
Led go-to-market for Amazon Pay and Mahindra launches across Delhi NCR.
JUL 2017 – JAN 2019
Brand Marketing
Built the brand and partnership engine that grew orders tenfold.
Advisory, alongside
Work


NxtWave · IIT Kharagpur OCN · 2025
Three internal tools I shipped to speed up nurturing and give counsellors leverage, from first touch to enrolment. Shown as screenshots; the tools are internal.
Growth Lab
Testbook’s real channel economics, modelled. Every channel saturates differently. Find the mix that wins.
Orders a month by channel
This is the mix I actually ran. 12.9× ROAS.
Diminishing-returns curve per channel, fitted to 2022–24 actuals.
How I operate
Tap or hover a card for the evidence behind it.
Contact
Pick a 30-minute slot, message me on WhatsApp, or email. I usually reply within a day.