Douglas Squirrel has been coding for 40 years and has led software teams for 15 of them. He is an executive coach and consulting CTO in London, making use of his extensive experience growing teams and advising startup founders and senior managers. His previous roles included founding CTO at TIM Group and VP Engineering at e-commerce startup Secretsales. He has consulted with a wide variety of London startups including Geckoboard, Lostmy.name, DueDil, Kano, and MarketInvoice.

Jeffrey Fredrick is an internationally recognized expert in software development and has over 25 years' experience covering both sides of the business/technology divide. An early adopter of XP and Agile practices, Jeffrey has been a conference speaker in the US, Europe, India and Japan. Through his work on the pioneering open-source project CruiseControl, and through his role as co-organizer of the Continuous Integration and Testing Conference (CITCON), he has had a global impact on software development. Jeffrey's Silicon Valley experience includes roles as Vice President of Product Management, Vice President of Engineering, and Chief Evangelist. He has also worked as an independent consultant on topics including corporate strategy, product management, marketing, and interaction design. Jeffrey is currently Chief Technology Officer and Head of Product & Marketing in London at TIM, an Acuris Company. He also runs the London Organisational Learning Meetup and is a CTO mentor through CTO Craft.