
The people at Accrona
Your strategic partner for meaningful impact
Our team combines decades of experience across sustainable finance, banking, consulting, and environmental science. From advising governments and global corporations to helping SMEs, we've delivered impact across sectors and continents. We combine expertise from leading institutions like the World Bank, S&P Global, CICERO Shades of Green, KPMG, PwC, and Morgan Stanley and have built leading consulting firms. We have deep knowledge of Nordic, Asian, and Middle Eastern markets.
Our diverse backgrounds and collaborative approach enable us to see challenges from multiple angles, developing practical solutions that work in the real world. We're committed to driving business value while advancing sustainability goals, working closely with our clients to navigate complex transitions and capture new opportunities.
Meet our team
Bjarni Herrera
Founder & CEO & Senior Advisor
A long career in financial markets and in transforming sustainability challenges into business opportunities and value. Former COO of CICERO Shades of Green (acquired by S&P Global) and founder of a consulting firm acquired by KPMG. Avid runner and skier.
Knut H. Alfsen
Senior Advisor
A pioneer in sustainable finance who wrote the first Second Party Opinion for the first green bond in history for the World Bank. Former Special Advisor to the China Council and Strategy Director at CICERO. PhD in Physics from the University of Oslo. Devoted grandfather.
Isha Gupta Waghmare
Senior Manager
Over 10 years of Big 4 consulting experience transforming sustainability challenges into actionable strategies across Southeast Asia. Former ESG Manager at PwC Philippines. MBA in Sustainable Finance from the Asian Institute of Management. Aspiring scuba diver.
Karen Torres
Analyst
Environmental engineer bringing a fresh perspective to sustainable finance. Previously with Bosch Semiconductors. Graduate from Universidad del Valle, Colombia. Passionate about cultural exchange and advancing her language skills.
Kent Hanson
Analyst
Sustainable finance expert with a background at Morgan Stanley and unique experience as a professional basketball player across Europe. Sustainability Management at Columbia University. Former state chess champion and current Spikeball competitor.
Hildur Karen
Director
Legal and corporate finance expert with 15 years of experience in complex Nordic market transactions. Former Head Legal Counsel at Íslandsbanki Corporate Finance. Master of Law from the University of Reykjavik and Glasgow. Passionate about diversity initiatives and golf.
Farah Mammadli
Analyst
Sustainability reporting specialist with extensive Big 4 experience across the Middle East and Europe. Former Manager at KPMG and Deloitte. MSc in Finance from Erasmus University Rotterdam. Chess enthusiast exploring Middle Eastern cultures.
Maria Paula
Manager
Purpose-driven professional with 8+ years in market research, innovation strategies, and product-market fits at NielsenIQ. International MBA from Rotterdam School of Management with a Sustainability concentration. Avid runner and advocate for equity initiatives.
By the numbers
Delivered the first-ever Second Party Opinion (SPO) for the World Bank.
1st
Successful sustainable finance transactions.
150+
Years of combined experience.
25+
Countries our team has lived and worked in.
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