Harish Siva Rajan

S

Growth Marketing Manager at Fenwick Solutions | ex-McKinsey & Company

Fenwick Solutions
Bengaluru, India · IST (UTC+5:30)
5+ years experience
IIT Guwahati
English, Hindi, Kannada
Messaging unavailable

Overview

Growth Marketing Manager at Fenwick Solutions, focused on performance marketing. Ran 628 creative tests a year across paid social. Cut blended CAC by 32% while doubling spend. Previously at McKinsey & Company. Most at home with attribution and paid social. Big believer in written communication.

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  • Thoughtful intros to people in my field
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  • Courses and coaching offers
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Replies between meetings, usually same day

Skills
Google Adsattributionpaid socialcreative testingCAC/LTV

Experience

  1. Growth Marketing Manager
    Aug 2025 - Present
    Fenwick Solutions · 1 yr 2 mo · Full-time · Bengaluru, India
    • Ran 338 creative tests a year across paid social.
    • Rebuilt the acquisition reporting so every rupee and dollar of spend is traceable.
    • Hired and trained a acquisition team of 4.
  2. Marketing Associate
    Apr 2022 - Aug 2025
    McKinsey & Company · 3 yr 4 mo · Full-time · Bengaluru, India
    • Cut blended CAC by 18% while doubling spend.
    • Ran 862 creative tests a year across paid social.

Projects

Side project: a habit tracker
2026

Built with creative testing and attribution. 4001 people used it last year.

Open-source CAC/LTV toolkit
2023

A small library for performance marketing that 750 developers star on GitHub.

References

No references yet.

Education

  1. IIT Guwahati
    B.Tech, Psychology
    2016 - 2020

Details

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