Skip links
white and brown concrete building

Fintech Veteran Ivar Wiersma Joins Thallo as Chief Commercial Officer 

London, UK (September 19, 2023) — Thallo, a leading climate tech start-up, today announced that seasoned fintech and capital markets executive Ivar Wiersma has joined the company as Chief Commercial Officer. Wiersma brings over 20 years of experience in capital markets, fintech, blockchain, digital assets, and venture building to the table.

“Ivar is a world class CCO with a wealth of experience supercharging businesses, and is a key hire for our growth stage,” said Thallo CEO Ryan Gledhill. “Ivar will be a critical resource in driving Thallo’s best-in-class product towards mass market scale. ”

Having previously set up ING’s Wholesale Banking innovation arm, Wiersma has a strong track record for building high-performing teams and delivering commercial results. His responsibilities included ING’s blockchain team, ING Labs and the bank’s data science team, and he was responsible for numerous product launches, spin-out companies and new revenue generation. His strategic thinking and hands-on execution have been instrumental in creating revenue streams worth tens of millions from scratch. Prior to joining Thallo, Wiersma served in the Executive team at R3, where he was responsible for the firm’s confidential computing activities and its start-up program.  

“I’m extremely excited to join this dynamic company at this exciting phase,” said Wiersma. “As we’re delivering  infrastructure software to make the voluntary carbon markets more efficient, there is a lot we can learn from earlier developments in capital markets. It’s a thrilling proposition to help accelerate the development of this impactful sector.” 


Hayley Moller, CMO 

About Thallo

Thallo is a climate solutions company providing access to the whole carbon market – either as one-off purchases or through APIs that allow businesses to incorporate carbon credits directly into their products and services. Thallo uses cutting edge technology to revolutionize and democratize the carbon markets, making it easier for buyers and sellers of high-quality carbon credits to find each other. Its team of veteran software entrepreneurs and climate tech professionals combine technological expertise with deep sustainability knowledge to build the carbon marketplace of the future. Follow Thallo on Twitter and LinkedIn or join our Telegram group for updates. For more information, visit