My journey.

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2010
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L’Oréal
2010 to 2017

I started out in the store cupboard of a startup. By 26 I was Head of Digital at L’Oréal, the youngest member of the senior leadership team.

2018
Camden Town Brewery
Solo Coffee
Goose Island
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2018 onwards · The agency

Entrepreneurship pulled me in. At 28 I started my own agency, and it became part of the growth story of 50+ challenger brands.

2020
Samsung Food
Penhaligon’s
Camden Town Brewery
Goose Island
Gousto
2018 to 2026 · Fractional leadership

Then the bigger names came calling. Fractional growth leadership for Samsung Food, ZX Ventures and AB InBev, Penhaligon’s and Gousto.

Now
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Now

A love of building and a curiosity for AI led me to the founding team of GitLaw, an AI agent for legal contracts. I’m endlessly humbled to work with a talented team led by serial entrepreneur Nick Holzherr.

Value
Siân Allmark
Goose Island
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Great to
work with
What I stand for

The impact my work has on the team, our customers and the planet matters to me deeply. I champion my own brand of high performance: collaboration and kindness, in a job that can be hard and in environments that can be competitive and cold.

Where I've done it.

NOWFounding team, GrowthGitLaw, the AI contract platform
2018—Founder & Chief Growth OfficerThe Fifth Mark, growth consultancy
2024–26GTM & Marketing Lead, New MarketsGousto
2023Fractional Head of GrowthSamsung Food
2020–22Fractional Growth LeadZX Ventures / AB-InBev
2018Fractional eCommerce Growth LeadPenhaligon's (Puig)
2014–17Head of Digital, Active CosmeticsL'Oréal
2013–14Digital Marketing Manager, EMEA & USFitFlop
2011–13International Digital Marketing ManagerUnilever Ventures