Meet The Team

Jonathan Arnold

Managing Director

Jonathan Arnold

Jonathan is the founder and Managing Director of OCG, establishing the company as a freelance contractor in May 2008. Since then, OCG has grown into a leading provider of estates management, facilities management, construction, and IT project delivery services. The company began to significantly expand and grow in 2018 and now employs 23 staff, has an…

Mark Norrell BSc (Hons) PgDip MCIOB CIWFM

Director

Building Consultancy

Mark Norrell BSc (Hons) PgDip MCIOB CIWFM

Mark is Director of Property, Construction and Facilities Management at OCG with 30 years’ experience delivering asset management, FM and construction projects.

Naureen Ullah

Business Development Director

Marketing & Business Development

Naureen Ullah

Naureen brings 20 years’ experience in public sector housing, construction and built environment partnerships, specialising in frameworks and stakeholder engagement.

Peter Giles MRICS MCIOB MCIArb

Senior Associate

Building Consultancy

Peter Giles MRICS MCIOB MCIArb

Peter is a Chartered Building Surveyor with expertise in project management, compliance, RICS and ISO standards, delivering public and private sector property projects.

Alastair Paxton BA (Hons), Dip Arch, ARB

Associate Architect

Building Consultancy

Alastair Paxton BA (Hons), Dip Arch, ARB

As an Associate, Alastair supports the Property and Construction Team in West Sussex in the successful delivery of architectural projects from concept through to construction. He helps ensure technical excellence, regulatory compliance and effective project delivery at every stage. Alastair is a Chartered Architect with 14 years’ experience. He has a strong technical focus and…

Darren McLoughlin BSc (Hons) MRICS

Senior Associate

Building Consultancy

Darren McLoughlin BSc (Hons) MRICS

Darren is a Chartered Building Surveyor and joined OCG in June 2026. With more than thirty years of experience, Darren has delivered property, asset management and capital projects across local government, heritage organisations and the wider public sector. Having spent much of his career working client-side, he has a strong understanding of the operational challenges…

Tim Blackwell BSc (Hons) MRICS

Senior Associate

Building Consultancy

Tim Blackwell BSc (Hons) MRICS

Tim provides clients with practical, straightforward building surveying advice, drawing on his extensive experience across both the public and private sectors. He takes a pragmatic approach to projects, helping clients identify effective solutions and achieve successful outcomes. Tim brings nearly 10 years’ experience in the public sector, having worked across corporate and residential property portfolios…

Claire Hannan

Consultant

Digital Consultancy

Claire Hannan

Claire is an ICT consultant with strong business analysis and project management skills. A dedicated problem solver, Claire enjoys the process of stakeholder engagement to understand requirements and deliver solutions that promote collaboration across businesses.

Corrine Sinfield

Consultant

Facilities Management Consultancy

Corrine Sinfield

Corrine is a consultant at OCG with over 20 years’ experience as a Facilities Management (FM) professional. She has a strong background in both hard and soft FM services, including statutory compliance, service transformation, and contract management. She brings extensive public sector facilities management experience, working with schools, corporate environments, and housing estates. Corrine has…

Lindsay Payton

Consultant

Estate Management Consultancy

Lindsay Payton

Having worked in a variety of project management roles within the financial services industry, Lindsay is commercially and financially astute and has extensive experience of delivering complex projects and programmes whilst ensuring stakeholder relationship management is at the heart of everything she does. She has a ‘can do’ attitude and will throw herself into all her projects.

Teresa Hauptfleisch

Consultant

Digital Consultancy

Teresa Hauptfleisch

Teresa (or Terri as most commonly known), has been working in ICT her entire career, specialising in Property Asset Management software for over 20 years. Software implementations are Terri’s focus, collaborating closely with clients on configuration, data collection and cleansing, process mapping and user acceptance testing.

Charlotte Crabbe

Senior Project Manager

Facilities Management Consultancy

Charlotte Crabbe

Charlotte joined OCG in 2019 with 10 years’ experience in the Property industry, working in both the public and private sectors. Shortly after joining OCG, Charlotte became a registered Prince2 practitioner and in 2020 was promoted to Project Manager.

Harry Gravett

Senior Project Manager

Building Consultancy

Harry Gravett

Harry is a Senior Project Manager at OCG with 7+ years’ experience delivering commercial, educational, and residential construction, refurbishment, and capital projects.

Laura Chapman

Project Manager

Estate Management Consultancy

Laura Chapman

With a background in Psychology, as well as 11 years in the Fashion Industry and 2 years in Construction, Laura brings a range of skills including critical path management, organisation and communication with worldwide suppliers and stakeholders. She enjoys transferring these skills into her current role, meeting new clients, and working to a project plan.

Ada Shoderu

Project Assistant

Estate Management Consultancy

Ada Shoderu

Ada joined OCG in January 2026 and is a project professional with over 10 years’ experience in project support and management. An AgilePM Practitioner and PRINCE2 certified professional, Ada brings a strong foundation in both agile and traditional delivery frameworks. She combines structured methodology with a practical, solutions-focused mindset, ensuring projects are delivered efficiently while…

Ashley Chrysanthou

Project Assistant

Facilities Management Consultancy

Ashley Chrysanthou

Ashley joined OCG in September 2023 after working as Senior Contracts Coordinator at Airswift, a global multi-million-dollar business for 8 years and has worked on various projects in the UK and abroad in the oil and gas sector. With a keen eye for detail, Ashley is used to working simultaneously on small and large projects,…

Irina Russu

Project Assistant

Facilities Management Consultancy

Irina Russu

Irina’s personal interest for Project Management can be traced to her pre-professional days, whether those were smaller scale group activity projects or organising higher level events for the entire school. After having worked for 12 years in a variety of different businesses and teams and having built a strong foundation in sales and account management as well as developing core skills in relationship management.

Joanne Nasse

ISO & Performance Manager

Finance and Corporate Services

Joanne Nasse

Joanne has over 20 years’ experience working in a range of client-driven, administrative, and secretarial roles within both the public and private sectors. Joanne began working for the company in 2018 as a Project Administrator but quickly identified the need for a back-office role to be created and so became the Business Administrator.

Louise Chamberlain

Marketing Manager

Marketing & Business Development

Louise Chamberlain

  Louise leads OCG’s marketing and brand strategy, driving the company’s profile and visibility within the public sector. Since joining the company, she has rebranded OCG and created a strong brand identity, introduced company brochures and a full range of branded merchandise. She has also on-boarded numerous external partners to produce specialist materials that support…

Vicky Tozer

Employee Relations Manager

Finance and Corporate Services

Vicky Tozer

Vicky joined OCG in September 2023. With a wealth of experience in communications and employee relations Vicky began her role of Employee Relations Manager within the Operations department. Whilst regularly keeping herself up to date with employment law as well as key changes within Councils and the local government sector . Vicky is a trained…

Karen Thompson

Assistant Finance Manager

Finance and Corporate Services

Karen Thompson

Karen has worked within Finance & Administration for 25 years. She loves organising and tidying up those numbers. She enjoys the office environment and mingling with her colleagues. Always happy to help others.

Becky Herbert

Finance Administrator

Finance and Corporate Services

Becky Herbert

Becky joined OCG in December 2024 as an Administrative Assistant, bringing over 25 years of experience in the financial and construction industries. Throughout her career, she has held various roles, from administration to managerial positions, developing a strong expertise in financial processes and project coordination. In her role at OCG, Becky is responsible for key…