Aine Leahy Smith
Associate Consultant
London
Callum McWilliams
Callum McWilliams is a Senior Consultant specialising in the renewable energy industry focusing on commercial roles within the Battery Energy Storage Systems (BESS) market. Callum has worked for both the TA and Sales teams at Spencer Ogden, forming a strong proactive, relationship-led approach. He adds value by building strong networks, identifying high-quality talent, and providing consultative support throughout the hiring process. He is committed to delivering a seamless experience for both clients and candidates. Callum recruits for many roles across the BESS sector, including Sales Directors, Solution Managers and Application Engineers.
Testimonials
Very personable and knowledgeable. I think he has a good instinct for pairing candidates to jobs
Tero
Solution Manager
Case Studies
Renewables & Sustainability
Contract-to-Hire in Clean Energy: Two Pre-Construction PMs Placed in Under a Month
Renewables & Sustainability
Five-Day Mobilisation: Four Field Service Engineers Deployed to a Singapore Shipyard
Renewables & Sustainability
Navigating Visa Complexity to Deliver a Wind Energy Contracting Team Across Japan and South Korea
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