TransitionX Europe

In todayʼs rapidly evolving landscape, many companies view ESG as a burden rather than an opportunity. Faced with the complexity of reporting regulations, the fear of greenwashing, and the growing expectations from banks, clients, and employees, businesses often juggle too many providers and struggle to integrate ESG into their core strategies. 

TransitionX Europe and Mitigate break this cycle. Our consulting services and software engineering transform ESG reporting from a compliance requirement into a catalyst for prosperity and competitive advantage. We simplify the process, providing a seamless, tech-powered solution that integrates reporting, communications, and strategy into one cohesive framework. Beyond compliance, we help companies focus on real action and tell compelling stories of impact boosting reputation and stakeholder engagement.

Who we are

Change-Makers in Action
Jaime Santisteban
CEO
Jaime is a sustainability communications expert and business journalist with experience in Spain, France, the UK, and the USA. He has worked for climate solutions company STX, mobility startup Cabify, elite law firm Baker McKenzie and the Press Office of Spain’s President. Executive MBA, Sorbonne Business School.
Ana Karen Zapata
CTO
Ana is an entrepreneur and communications expert passionate about sustainability and innovation. She co-founded and acted as COO of blockchain and climate action firm ClimateTrade. A sought-after speaker and industry figure, Ana spearheads our innovation and technology strategy, driving TransitionX Europe's unique value proposition.
Gabriel Gage
ESG Director
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Shiman Lu
Finance Business Partner
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Diego Eguía
BD Lead
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Supriya Jaiswal
Growth Associate
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Maria Trikalioti
Project Manager
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Carlos Hernández
Human Capital Advisor
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Jellien Roelofs
EU Green Claims Lawyer
Since 2010, Jellien has navigated the complexities of advertising law. Based in the Netherlands, she empowers clients to navigate the challenging landscape of "greenwashing" and craft impactful, compliant sustainability communications. Jellien's expertise ensures TransitionX clients make confident claims that resonate with consumers and adhere to regulations.
Isidora Bianchi
Senior ESG Consultant
Edgar Granell
TransitionX Social Lead (DE&I)
A consultant and trainer, Edgar empowers businesses in people management, HR, equality, and diversity through TransitionX Social. With +15 years of experience across development and consulting projects, he fosters and builds DE&I-committed workplaces with our clients. Edgar boosts our collaboration with public administrations and business associations supporting diversity.
David Bayona
TransitionX Social Lead (DE&I)
WIP

Join us

WE WANT TO HEAR ABOUT YOU

We’re rethinking ESG consulting

Take forward impactful projects and grow in a flexible working environment within a top, supportive team

We welcome aboard talent from diverse locations and specialisations 

TransitionX Europe Advisory Board

Top industry and research figures
Jona Basha
Head of Reporting at Accountancy Europe. Formerly a lecturer at University of Tirana and consultant at PwC
Kevin Dolgin
Co-Founder of Observia. Professor at IAE Paris. MBA from INSEAD.
Bernat Añaños
Co-Founder of Heura Foods, leading Spanish plant-based meat startup present in 22 countries
Elisabeth Albertini
Professor at Université Paris Panthéon-Sorbonne. Formerly a researcher at Autorité des Normes Comptables