Our Architects & Team
New projects allow our skilled team of architects and designers to explore the connection between people, place and craft. ALTER is led by a close, collaborative studio that works directly with every client, across residential, commercial and cultural work. To start a conversation about your project, get in touch with our Brighton and Truro studios.
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Grant Shepherd is a UK architect and co-founder of ALTER Architects. He leads creative design projects across different sectors with a teamwork-focused approach. He blends architecture with art and music by working with artists and musicians to rethink spatial dynamics. This method supports sustainability, community benefits, and creative collaboration, aiming to change how people experience buildings. At ALTER, he shapes the design vision, drawing on experience in public and private projects. His work is deeply connected to local places, focusing on well-made, clear, innovative, and sustainable architecture that helps communities. Shepherd also supports local and national youth projects, acting as an ambassador for youth charities, showing his dedication to community-focused architecture.
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Meet Leith McKenzie, ALTER’s co-founder and director. Originally from Australia and educated in the UK, Leith brings a wealth of invaluable experience in large-scale, complex mixed-use developments to the team. At ALTER, he’s at the heart of our studio—guiding everything from day-to-day with clarity and vision. Leith is deeply passionate about discovering fresh, innovative ways to achieve outstanding design and technical excellence in every project we undertake, and his thoughtful, considered approach helps shape and refine every aspect of what we do.