Theo Lambert

VOL. 26 · NO. 01 · 2026 EDITION
ISSUE LEAD · GROWTH STRATEGY

I help Series B and C teams find the next compounding lever — then go buildit.

Theo Lambert is a strategy consultant who works with a small number of growth-stage companies each year. Before going independent he led growth at a public marketplace and was a senior associate at McKinsey. His work blends quantitative analysis with the unromantic operating reality of actually shipping. Engagements are short, intense, and end with a written plan the team owns.

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Essay · About

Theo Lambert is a strategy consultant who works with a small number of growth-stage companies each year. Before going independent he led growth at a public marketplace and was a senior associate at McKinsey. His work blends quantitative analysis with the unromantic operating reality of actually shipping. Engagements are short, intense, and end with a written plan the team owns.

In this issue · Services

05 articles

  • 01

    Growth diagnostic (4-week)

    Read more · 6 min

    p. 004
  • 02

    Pricing & packaging redesign

    Read more · 8 min

    p. 008
  • 03

    GTM org design

    Read more · 10 min

    p. 012
  • 04

    Strategic narrative for fundraising

    Read more · 7 min

    p. 016
  • 05

    Operating cadence install

    Read more · 5 min

    p. 020

Case studies · Selected

03 pieces

  • 01

    Series-C marketplace

    Doubled net revenue retention in eight months by repricing the take rate around buyer outcomes.

    2024
  • 02

    Public SaaS

    Re-segmented the customer base and reorganized the AE motion; 40% lift in win rate inside two quarters.

    2023
  • 03

    Fintech — lending

    Designed and ran the operating cadence that took the company from 12 to 65 people without losing speed.

    2022
Case studies
Testimonials

What people say

  • Theo is the rare strategist who actually does the work. He left us with a plan our team could run, not a deck nobody opens.

    CEO

    Series-C marketplace

  • The four weeks we worked with Theo were the most clarifying of my last two years.

    CFO

    Public SaaS

60+

Engagements

6 wks

Avg. project length

$480M

Capital ARR shipped

12+

Years operating

5 MINUTES

How a sprint runs

Selected engagements
Series-C marketplace
Public SaaS
Fintech / lending
Marketplaces
B2B SaaS
PLG
Sequoia portfolio
Free download

The Operating Cadence Playbook

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Schedule

Letters to the editor

Volume · MMXXVI

Get in touch

By post · Email

theo@lambertstrategy.com

The Masthead

Theo Lambert

I help Series B and C teams find the next compounding lever — then go build it.

Volume

2026

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