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HTMS appoints Chief Financial Officer

Jan 28, 2026

HTMS are delighted to announce that Sev Gunes-Lasnet has joined HTMS as Chief Financial Officer.


Sev has held senior finance roles in global high-tech businesses, supporting Series A/B raises, strategic M&A and exit readiness. Sev brings a rare mix of deep technical understanding and scale up finance expertise.


Welcome to the team Sev!


You can read our Press Release in full below.

-Press Release Starts-
HTMS appoints Sev Gunes-Lasnet as CFO
High Temperature Materials Systems, a UK business pioneering a new type of advanced composite materials, has appointed Sev Gunes-Lasnet as Chief Financial Officer.

Sev has held senior finance roles in global high-tech businesses, supporting Series A/B raises, M&A and exit readiness. Her background includes roles at Airbus Defence & Space and the European Space Agency, an MBA from Chicago Booth, and corporate finance advisory roles, combining technical depth with rigorous finance leadership.

HTMS, which has operations in Bristol and Leamington Spa, specialises in Ceramic Matrix Composites (CMCs), a type of lightweight heat-resistant material typically used on the underside of the Space Shuttle. The company has found a way to reduce the cost of CMCs and make them available for wider uses such as battery enclosures in the clean transport sector.

Sev’s appointment follows HTMS’s recent £1.3M funding round, which was led by the British Business Bank’s Midlands Engine Investment Fund II and South West Investment Fund through their respective fund managers Mercia Ventures and Maven Capital Partners.

Dr Danilo Di Salvo, co-founder and CEO, said: “Sev’s experience scaling deeptech businesses and raising capital, combined with her aerospace and defence background, is exactly what HTMS needs as we continue to grow globally.”

Sev Gunes-Lasnet added: “I am delighted to have joined HTMS as CFO. Advanced materials are the next frontier of innovation, and HTMS is on track to become a global leader in ceramic matrix composite systems. I look forward to working with the team, the board, and our customers to accelerate our growth.”

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