Zenko Consulting is guided by specialists—individuals who bring extensive expertise in technical and project execution, along with the managerial skills necessary to make informed, strategic decisions for the long term.
Meet our Staff
Jack Briggs

Commercial Director
Max Stephenson

Managing Director
Max leads Zenko Consulting as Managing Director, overseeing the company’s direction and operations. He stays hands-on, working on the front line with clients and teams to deliver practical solutions. Max manages key partnerships and guides strategic decisions to keep the company competitive. His leadership ensures a focused, collaborative environment for the team. Max is dedicated to maintaining Zenko’s standards whilst remaining flexible.
Favourite Move: Billy Madison
Favourite Food: Ice Cream
Joshua Medhurst

Sales Director
Josh serves as the Sales Director at Zenko Consulting, he leads our sales efforts in the building physics sector. He builds and maintains client relationships, identifying new opportunities to grow the business. Josh works closely with clients to understand their needs and ensure our solutions meet their goals. His strategic approach drives revenue and strengthens our market presence.
Favourite Movie: Shawshank Redemption
Favourite Food: Curry
Denson Mathias

Building Physics Consultant
Denson models commercial and residential building and help optimize their energy efficiency by performing PartL calculations to achieve the required EPC ratings.
Denson will work closely with architects, mechanical engineers, and facility managers to ensure buildings are energy-efficient, comfortable, and environmentally friendly. He does this by performing thermal comfort analysis, LZC calculations, daylight, passive design and operational energy assessments.
Favourite Movie:
The Dark Knight
Favourite food:
Tonkotsu Ramen
Ali Mahmood

Building Physics Consultant
Ali is a Building Physics Consultant at Zenko Consulting, delivering technical expertise to optimize building performance. He analyzes energy efficiency, thermal comfort, and sustainability for client projects. Ali works closely with design teams to provide practical, innovative solutions. His attention to detail ensures projects meet high standards and client needs.
Favourite Movie: Snatch
Favourite Food: Chicken Parmesan
Zenko Consulting is guided by specialists
We operate as a trust-owned company, free from external investment. This autonomy enables us to concentrate fully on our clients and to provide our comprehensive technical expertise with complete dedication. Our reputation is built on our unwavering commitment to addressing the most intricate challenges encountered by our clients and society at large. Our pursuit of excellence and the development of innovative technical solutions that will influence the future are the core motivations behind our efforts.
