Jason Green
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Jason Green Email & Phone Number

Location: London, England, United Kingdom 16 work roles 3 schools
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✓ Verified Jun 2026 3 data sources Profile completeness 86%

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Current company
Role
CTO
Location
London, England, United Kingdom
Company size

Who is Jason Green? Overview

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Quick answer

Jason Green is listed as CTO at Sonata One, a company with 118 employees, based in London, England, United Kingdom. AeroLeads shows a matched LinkedIn profile for Jason Green.

Jason Green previously worked as CTO at Idr and Co-Founder at Holidayfox. Jason Green holds Beng (Hons), Computing from Imperial College London.

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Sonata One

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Profile bio

About Jason Green

Executive with experience at board level & CTO roles across a wide range of Venture Capital & Private Equity backed businesses in UK and Europe.

Current workplace

Jason Green's current company

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Sonata One
Sonata One
CTO
London, GB
Website
Employees
118
AeroLeads page
16 roles

Jason Green work experience

A career timeline built from the work history available for this profile.

Cto

Current
Idr

Guernsey, Channel Islands, GB

Jan 2023 - Present

Co-Founder

Current

London, England, GB

May 2020 - Present

Non Executive Board Member

Current

Swansea, Swansea, GB

Jun 2021 - Present

Cto

Portsmouth, Hampshire, GB

Performing full scale digital transformation across a 25 year old brand and recent acquisition of Homeserve PLC.Shipped in year 1:- New consumer website - New infrastructure as code (Terraform, Kubernetes, AWS) PAAS- New Office & Team in London- New Sales CRM (Salesforce) - New marketing stack (Pardot)- New Data and Insights Platform (Apache Airflow.

Jan 2019 - Apr 2020

Group Cto Excalibur (Wowcher, Living Social, Secret Sales)

London, GB

PE backed Excalibur is the UKs largest daily deal group.Responsible for Product & EngineeringDelivered new strategy for travel as well as dynamic packaging MVPIncreased uptime and stability and introduced devops and infrastructure automation

Feb 2018 - Jan 2019

Interim Group Cto Kokoba (Paws, Medicanimal, Pet-Supermarket, Petmeds)

Paws.Com

Worked to define multi-brand strategy (Medicanimal, Petmeds, Petsupermarket & Paws):- Positive EBITDA focus for existing brands- New offering Product Market fit for PawsOther key initiatives:* New Warehouse migration & ERP* Focused on improving customer NPS

Oct 2017 - Jan 2018

Cto

Dawanda Gmbh

(acquired by Etsy)With more than 6 million products from 360k designers Dawanda is the leading marketplace in Germany to buy unique, customised and handmade products.Board Member and CTO, together with the COO & CEO reshaped the org structure and brought the company back to profitability.Focusing on building an even more amazing Dawanda through Data Driven.

Mar 2016 - Sep 2017

Cto

Kraków, PL

With 150 million active monthly users, Brainly is the world largest student Q&A platform reaching over 1/5th of the worlds students.Grew and built Product, Tech and Data teams across New York, Berlin and Krakow.Achievements:- Company strategy & Product Vision- Agile transformation- Rebuilding the business logic from the ground up- Supporting a fast scaling.

Jan 2015 - Mar 2016

Global Cto

Wimdu, Rocket Internet

Wimdu, a Rocket Internet venture (acquired by Novasol) Backed by funding of $90m from Rocket Internet and Kinnevik, Wimdu is Europe’s largest city peer to peer property rental site with 300k properties available in over 100 countries.Achievements: Department: Unified Product, Engineering & BI and created full-stack teams working within an agile framework.

Oct 2012 - Jan 2015

Non Executive Director

London, GB

Built a talent acquisition business focused on mid-level to executive hires for companies using Ruby and other specialist technologies. Placed hundreds of permanent and temporary staff throughout the UK and Europe.

Jun 2008 - Dec 2012

Ceo

Dynamic50 Ltd

Boutique web agency focused on delivery through cutting edge agile practices. Built up to one of the UKs leading boutiques focused on solving problems for our approximately 150 customers.Worked with a huge variety of clients, from early stage startups (seedrs.com, amee.com) through to large corporations (CNN, AON).

Jun 2007 - Oct 2012

Ceo

Carboncalculated

Enterprise SAAS suite for compliance with CRC, EU-ETS, ISO14064 and the Carbon Disclosure Project. Under the hood we built a popular open source platform and set of APIs that aggregates carbon and GHG emissions for everything in the world; from passenger transport, raw materials, through to consumer goods. The platform contained GHG information for more.

Dec 2009 - Jan 2012

Cto

Greenvoice Ltd

Joined as first employee at Greenvoice, a micro-financing platform for environmental campaigns funded by a private investor. Built initial prototype with investor to quickly validate idea. From this grew team to around 25. Was first business using rails / ruby in London, part of the initial ruby community

Dec 2005 - May 2008

Software Engineer

Houston, Texas, US

Internship as Software engineer working within the GeoQuest Systems group (circa 150 people). C++ Development within the oil drilling modelling software.

May 2003 - Oct 2003

Systems Administrator

Houston, Texas, US

Internship in SysOps at Schlumberger Abingdon.1st and 2nd level support of Windows, Linux and Solaris & internal build servers.Network infrastructure, telephony, software rollout, domain management, security.

Jul 2001 - Dec 2001
3 education records

Jason Green education

Beng (Hons), Computing

Imperial College London

Executive Mba, Business Administration And Management, General

Quantic School Of Business And Technology

European Baccalaureate, Maths, Advanced Maths, Physics, Music

European School, Culham
FAQ

Frequently asked questions about Jason Green

Quick answers generated from the profile data available on this page.

What company does Jason Green work for?

Jason Green works for Sonata One.

What is Jason Green's role at Sonata One?

Jason Green is listed as CTO at Sonata One.

Where is Jason Green based?

Jason Green is based in London, England, United Kingdom while working with Sonata One.

What companies has Jason Green worked for?

Jason Green has worked for Sonata One, Idr, Holidayfox, Yamgo Ltd, and Checkatrade.Com.

How can I contact Jason Green?

You can use AeroLeads to view verified contact signals for Jason Green at Sonata One, including work email, phone, and LinkedIn data when available.

What schools did Jason Green attend?

Jason Green holds Beng (Hons), Computing from Imperial College London.

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