![Heikki Nousiainen](https://cdn.sanity.io/images/sczeoy4w/production/c93a3f49aace022f7e4941b9613777b6e050908f-800x800.jpg?w=220&h=220&q=80&fit=min&auto=format&dpr=1.5)
Field CTO and Co-Founder, Aiven
Heikki is Field-CTO and Co-founder at Aiven, a trusted data and AI platform. With over two decades in software engineering and information security space, Heikki is passionate about developer productivity, open source and open standards and data management at scale.
![Dimitri Casvigny portrait](https://cdn.sanity.io/images/sczeoy4w/production/76a37a4039c9f8b5a3ff40af11e00528087afb3c-477x477.jpg?w=220&h=220&q=80&fit=min&auto=format&dpr=1.5)
VP Corporate Development & Sustainability, Aiven
Dimitri is VP of Corporate Development & ESG at Aiven and a member of the executive team, showing the importance sustainability plays in Aiven’s agenda. Dimitri drives Aiven to pioneer innovative cloud emission reduction solutions, to help customers achieve sustainability goals and inspire others to join the climate action journey. He is also responsible for decarbonisation initiatives within Aiven’s own operating footprint.
![Erik from Thoughtworks](https://cdn.sanity.io/images/sczeoy4w/production/fccb43a883774738492a3c72a0b5e85aa2bfae96-700x657.png?rect=22,0,657,657&w=220&h=220&q=80&fit=min&auto=format&dpr=1.5)
CTO Europe, Thoughtworks
Erik Dörnenburg is a software engineer and passionate technologist. As CTO Europe at Thoughtworks, he helps customers solve their business challenges with modern technologies, platforms and practices. On his 25-year journey through the tech industry, Erik has encountered a wealth of new technologies. That's why he and his colleagues created the Thoughtworks Technology Radar and Looking Glass Report, which focus on these very topics. Throughout his career, Erik has been an advocate of agile values and open source software. He is a regular speaker at international conferences, has contributed to several books and maintains several open source projects. Erik has a degree in Computer Science from the University of Dortmund and studied Computer Science and Linguistics at University College Dublin.
![Arik from Thoughtworks](https://cdn.sanity.io/images/sczeoy4w/production/06de93116715695a86efa0f05a9778fbfec60e24-1000x1000.jpg?w=220&h=220&q=80&fit=min&auto=format&dpr=1.5)
Expert CCF & Green Cloud, former TWer
Arik is a software developer and consultant with over 3 years of experience specializing in green software and cloud solutions. As a key contributor to the open-source Cloud Carbon Footprint project, Arik helps clients implement sustainable cloud solutions and modernization strategies. He is also a member of the Green Software Foundation’s Open Source working group and served as an analyst for the first ever sustainability chapter of the HTTP Web Archive’s Annual Web Almanac.