Founder & Chairman
Adi Engelman Guabay
Founder of SigSug Partners, leading the firm's strategic development, investor relations, and international partnerships.
The Architects of Value
Strategic leadership.
Sigsug Partners is led by a focused executive core, supported by senior strategic advisors, and governed by an independent board. The team is sized to the mandate — narrow, technical, and personally accountable.
Sigsug Partners operates the mandate; RefineCo S.L. is the associated industrial entity through which the metallurgical programme is conducted.
Chief Executive Officer
Adi Sheleg
International business and investment executive focused on strategic growth and capital development across global markets.
Chief Financial Officer
Eli Shellim
Finance and operations executive with experience in industrial projects, commercial structuring, and international partnership execution.
Chief Technical Officer · Head Chemist
Nesrat Al Zuhayri
Lead scientist responsible for the proprietary metallurgical method developed for the deposit. Directs the firm's process chemistry, characterisation, and analytical programme.
Board Member
Daniel Hayman
Strategic board advisor bringing experience in corporate governance, commercial growth, and international business development.
Board Member
Oren Korsia
Board member with a background in business strategy, investment evaluation, and commercial advisory across international markets.
Board Member
Martin Kahanovitz
Board member with a background in business strategy, investment evaluation, and commercial advisory across international markets.
Speak with the partners.
Direct line to the principals for institutional onboarding and strategic partnership inquiries.
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