Kristiina Kerge


Let's Do It Foundation

Job title

Tech Innovation Lead



Working Area


Languages spoken

Estonian (Native), English (Fluent )

Personal bio

Kristiina serves as the Tech Innovation Lead and Policy Manager at the Let’s Do It Foundation in Estonia. She is an expert in IT solutions with positive environmental and social impact. For the past 13 years, Kristiina has contributed to the growth of several environmental initiatives and digital solutions like Let’s Do It Foundation’s digital tools for waste mapping – an AI tool, WADE, and a mobile app (2016-2019). In 2020, she established Acento to offer a complete solution for events to organize them more sustainably. Combining sustainability challenges with smart technology and practical solutions is her passion.

MiZA accreditation type

  • Zero Waste Cities Accredited Mentor
  • Zero Waste Trainer

Zero Waste expertise

  • Strategy Development

Project experiences

  • Content creation and execution of Zero Waste Ambassdor training for Tallinn City employees (March 2024). During the Tallinn city training Zero Waste cities certification process was one of the most interesting topic for the participants. We managed to make clear connections with their strategic and operational tasks and Zero Waste certification processes and criterias. To achieve that I designed one of the the data literacy exercise up on the Zero Waste certification criterias.
  • Consultation and onsite support for the Estonian Song and Dance Festival (2023) with up to 133,000 participants, it is one of the most important choral events in the region. Supporting the use of reusable tableware and separate waste collection at the biggest national event in Estonia, in Tallinn (over 100 000 people, altogether 7 days). Supported the team in their public tender for reuse service provider and inspected the situation onsite. Achievements: - first event in the Baltic region to organise so big event fully with reusables - residual waste generation dropped from 178 g of waste per person in 2019 to 60 g of waste per person in 2023 - recycling rate rose to 69% compared to around 10% in 2019
  • Consultation for real estate company to plan the separate waste collection sites and waste prevention solutions (January 2023). I help them to understand and meet the city requirements and made suggestions with whom establish partnership for reuse and separate waste collection.
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