Les Koski

Les founded KSR with Richard Solomon and has been responsible for many award-winning designs including Pavilion Apartments and Phillimore Square.

He specialises in the masterplanning of large residential developments, and enjoys creating innovative solutions for challenging sites. His thoughtful approach to design enables him to challenge preconceptions and optimise efficiency.

Les’s passions include aviation, metalwork and sculpture, all of which influence his designs. He has designed and constructed his family house on a difficult restricted infill site in Islington.

Paula Benitez Ruiz


Paula studied at ETSA Malaga University in Spain, Politechnika Poznanska in Poznan, and at UNC Charlotte, North Carolina, US. As an avid traveler Paula has also worked for practices in Budapest, Malaga and London before KSR. Outside work, Paula enjoys hiking, graphic design, illustration and making fresh pasta.

Keelin Anderson

Keelin completed her Part 1 in South Africa, where she graduated at the University of Witwatersrand. Keelin has a passion for well-detailed, minimalistic and sustainable architecture. She draws on a neutral palette and natural light to enhance spaces.

Paige Arnold

Paige completed her Part I at The University of Manchester and Part II/ III at Cardiff University. She has combined her love for travel and Architecture by working in Tokyo and Dubai as well as across the UK.

With her move to London, she is excited to see what the city has to offer allowing for her experiences to influence her designs.

Oliver Harvey

Oliver completed his Part 1 at Oxford Brookes University and is soon off to complete his Part 2 in Sheffield. After living in Yorkshire he is excited to be starting off his life-long career in architecture with KSR. He is eager to learn in the expansive urban environment of London and its myriad of cultural identities to evolve his perception of architecture. Between work he harnesses his experiences to conceptual art of dystopian possibilities infused from his observations surrounding sustainability.

Garvan Joseet

Following a career with the National Health Service, Garvan began his architectural studies as a mature student and it was this knowledge of the healthcare industry that led him into the field of healthcare architecture following the completion of his RIBA Part I.

During his post graduate studies, he developed a passion for the relationship between architecture, society and the built environment. Upon completion of his RIBA Part II, he won a national student competition held by The London Festival of Architecture and was awarded a placement within the design team working on the Nine Elms development at Battersea. It was from here that he was able to develop his architectural skills in the fields of hospitality and the public realm.

Shaghayegh Arabishirazi

Shaghayegh has a Bachelor Degree in architecture from Azad University of Tehran and has completed her Masters in Architecture from University of Westminster in 2019.

She is a thoughtful and versatile designer with strong creative skills who particularly enjoys problem solving and taking on new challenges.

In her free time, Shaghayegh enjoys playing the violin and creating craftwork

Cosmin Stefan

Cosmin graduated from University of Urban Planning and Architecture `Ion Mincu` from Bucharest, where he completed his Master degree in Architecture. Before moving to London, he worked on a wide range of residential projects in his native Romania and was also firmly involved in many international competitions.

His passion for architecture and drawing, combined with a strong interest for art, photography and literature helped him to develop strong conceptual skills, a sense of design aesthetic and a good knowledge in digital visualisation.

Outside the office, Cosmin is interested in sports like football and tennis, and also loves to travel and be surrounded by nature.

Miguel Medina

Miguel has a passion for detail and expresses his thinking through skillful hand sketches and diagrams, taking inspiration from his love of graphic design. Prior to joining KSR, Miguel worked in the retail and public sectors in the UK and Spain, and lived for a year in Belgium as an exchange student. Outside the office he enjoys computer programming, skating, cycling and cooking food from around the world.

Vera Cerbone

Vera graduated from the University of Federico II of Naples in Italy and she moved to London in 2013. She is an ARB registered Architect, with experience in a wide range of retail, commercial and residential projects across the UK. Having worked on a variety of small to large scale projects, she has developed a specific interest and expertise in large residential and mixed-use developments, designed through the use and support of BIM software.

Outside the office, Vera is a keen traveler and passionate about photography. She is also an animated food lover and she can engage in very long conversations about pizza, having tried over 30 Italian pizzerias in London.