People who
make a difference

We’re a group of former executives at leading tech companies who have scaled operations, teams and product at corporates and startups.

Patrick Stirling


Pat has more than 20 years of product leadership experience. He is expert in lean organisation techniques and fast product development methodologies.

Pat's experience includes:

  • Transforming ways of working and overturning the business model at the Guardian
  • Product leadership roles across start-ups, scale-ups and established companies
  • Running collaborative design sprints across companies including Google, YouTube and the Guardian
  • Webby-award winning digital campaigns with leading environmentalists

Pat balances his time between product strategy consulting and volunteer work fighting the climate and ecological crisis.

Philipp von Bieberstein


Philipp supports tech companies with their value proposition, go to market strategy and business development, as well as scaling up teams and operations. Philipp works both as a consultant and flexible resource for hands-on delivery. 

Philipp’s experience includes: 

  • Building and scaling teams at Google (in BD as well as operations)
  • Business strategy and development (running BD for Google Play in Europe)
  • Negotiating large corporate or government contracts (£1M+)
  • Operations and execution: HR (hiring, performance management etc), corporate structure and set up, legal frameworks.

Philipp is also an angel investor in SAAS, mobile or data-analytics companies.

Yutaro Kojima


Yutaro is a creative marketer with over 20 years of experience. Having his roots in the creative departments in leading ad agencies, he helps companies find their competitive advantage through the prism of customer insights and behavior. 

Yutaro’s experience includes:

  • Marketing strategy and brand development for the digital age
  • Creative direction and production of marketing campaigns
  • Explorative workshops for brand purpose, positioning, and executional ideas 
  • Product and service development.   

Yutaro has also advised a handful of startups in their early development.

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