Marcus is an expert designer of large transportation and infrastructure developments.

At Richard Rogers Partnership he worked for 21 years in key leadership roles on a range of major projects from inception, including Lloyd’s of London, Europier and International Departures Lounge and Heathrow Terminal 5. Marcus is a highly regarded concept designer leading the Stirling Prize award-winning design for Madrid Barajas Airport and later he led the feasibility into the expansion of Venice’s Marco Polo Airport. Marcus has designed and built award winning family houses and has an extensive portfolio of masterplanning and residential projects, including designs for Convoys Wharf, Brentford Waterside and Embassy Gardens.

Marcus initiated the Millennium Experience regeneration project in Greenwich. He developed the exhibition layout, associated buildings and landscape around the Dome structure and the overall masterplan of the former British Gas site. In 2005, Marcus co-founded FLACQ who were shortlisted for the London Olympic Velodrome competition. He later led his own practice Leep Architects after directorships at Glenn Howells and Arup Associates. Marcus is an RIBA National Judge, Design Council CABE and Hackney, Islington and Lewisham Design Panel member.