Ian McDermott

Ian McDermott

Chief Executive

Ian joined Catalyst as the Chief Executive in January 2019, and has 30 years’ experience in the housing sector.

Before joining Catalyst, Ian was the Chief Executive at Aldwyck Housing Group and Chief Operating Officer at Sanctuary Group.

Ian has also held Chief Executive positions at both Shaftesbury Housing Group and Stonebridge Housing Action Trust. He is a member of the Chartered Institute of Housing, a Chartered Surveyor and an alumnus of the Harvard Business School.


Sarah Thomas

Sarah Thomas

Chief Operating Officer

Sarah joined Catalyst from Guinness where, as the Executive Director of Customer Services, she led the delivery of a customer service culture, launched digital services, and implemented a new model for local, mobile customer-facing teams.

Prior to joining Guinness, Sarah was in a similar role at RHP, an innovative housing organisation in South West London, where she revitalised their customer service strategy, resulting in a string of national customer experience awards and improved customer satisfaction.

As Head of Customer Service at Eurostar, Sarah devised the service strategy and led a Europe wide award-winning change programme to deliver service and operational excellence.  Sarah’s experience includes successfully devising and implementing service strategy, operational delivery and change management in complex environments.


Tim Jennings

Tim Jennings

Executive Director of Finance

Tim’s career spans over 30 years. After five years in a medium sized firm of Chartered Accountants, Tim has spent most of his career to date with Capita Plc.

Having been involved in most of the Capita divisions, his last eight years with them was as Finance Director for their Property Services Division, supporting the growth of one of the largest property services consultancies in the UK.

After leaving Capita Tim was Finance Director for both Criterion Capital Ltd and G4S Maintenance Division.

Philip Jenkins

Philip Jenkins

Group Development Director

Philip joined Catalyst from Taylor Wimpey Central London, where he was Managing Director since September 2017. Philip is a Fellow of the Royal Institution of Chartered Surveyors with a property development career spanning three decades, across both private and not-for-profit sectors.

Before joining Taylor Wimpey, Philip was Executive Director of Property and Development at CityWest Homes, during which time he was a non-executive director at Dolphin Living. He has also held senior posts at The John Lewis Partnership, SPAR and Crabtree & Evelyn among others.

Peter Evans

Group Director of Property ServicesPeter Evans

Peter has been working in property and construction for over 35 years in different sectors and in a variety of capacities.

His experience in social housing comes from roles including Executive Director of Operations for a large provider in the South of England, which also included a period as Executive Director of Technical Services and Development. During this time, achievements include delivering top quartile front line services in housing management and property services, development of a large Direct Labour Organisation delivering a £30m annual programme of planned and responsive repairs and establishment of in house new build construction services which delivered high quality homes at competitive cost. Peter has a particular focus on asset management and has undertaken numerous roles linked to asset management for the past 23 years.

Other career paths have included being self-employed in construction industry, working in the heritage sector for The National Trust and working in general practice as a consultant Building Surveyor serving a variety of client groups.