Ruben is an Associate at Alison Brooks Architects. He has over 15 years of professional experience in which he has designed a diverse range of projects. Alongside his project commitments, Ruben leads the sustainability task group within the practice.

Ruben is currently the project leader for two major projects, IQL Park Place in Stratford, a pair of residential buildings including a 35 storey tower and comprising 350 dwellings and a generous ground floor and public realm with a mix of uses, and Thamesmead Waterfront, an ambitious masterplan led by Prior+Partners that will deliver 12,000 homes in East London. He was a key member of the design teams for The Passages, a large residential / mixed use scheme in the City of Surrey, Canada, where he led the mid-rise blocks and coordinated the podium. He also participated in Oktyabrsky Island masterplan in Russia, and led the competition entry for Begbroke Innovation District for Oxford University.

Prior to his employment at ABA Ruben spent five years at Cruz and Ortiz Architects in Seville as the project architect for the 200M Atletico Madrid / Olympic Stadium during planning and detailed design as well as two luxury hotels in Andalusia, and also contributed to a wide range of projects, including the Rijksmuseum Asian Pavilion in Amsterdam. Ruben subsequently founded his own practice in Madrid, receiving the second prize at Europan, the continental competition for young architects in 2011. Since moving to London in 2013, he worked for other firms including ACME, where he worked on Victoria Gate Arcades retail project in Leeds, DSDHA, Leslie Jones Architecture and Studio Egret West, where he led a number of mixed-use regeneration schemes in the UK.

Ruben received his Masters Degree from the Polytechnic University of Madrid in 2005, and was awarded the Arquia Grant, by the Arquia Bank in Spain.