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Meet the team

Because we are a people business, we know that it’s all about our people when it comes to delivering your projects. Since 2009 we have consistently helped our clients to deliver organisational change, and to get the most out of their digital technologies so they can reach their strategic and commercial objectives. We do this by rolling up our sleeves and working collaboratively with them. It’s what we do!

Managing Director

Alan Perestrello

Senior Client Relationship Manager

Joyce Harmon

Head of Practice

Chris Gilbert

Senior Business Change Consultant

Lisa Wetlesen

Senior Business Change Consultant

Helen McGrath

Business Change Consultant

Jason Marshall

Business Change Consultant

Leah Mynett

Business Change Consultant

Michael Wilcox

Business Change Consultant

Jonathan Beaumont

Senior Business Change Consultant

Hennie Stapelberg

Senior Business Change Consultant

Charles Veal

Business Change Consultant

Kamila Kozak

Business Change Consultant

Edgar Wodu

Deborah mono picture
Business Change Consultant

Deborah Kempson-Wren

Digital Marketing and Content Executive

Ellie Leftley

Managing Director

Alan Perestrello

Alan has been involved in the Membership and Not for Profit sectors for over 15 years, initially as a leading Technology Vendor, helping them transform their organisations through a human approach to transformation. His experience spans advertising & media, online entertainment, managed services and software and consulting.
He leads Hart Square from a commercial and operational perspective, supporting our consultants, helping amazing organisations achieve remarkable things.
Senior Client Relationship Manager

Joyce Harmon

Joyce is an experienced Business Consultant with a history of working in the information technology and services industry within the non-profit sector. She is skilled in business planning, customer relationship management, and is passionate about sharing knowledge through educational events and training programmes. She regularly speaks at Hart Square events covering topics from project delivery best practice to go live challenges.

Head of Practice

Chris Gilbert

Chris, our Head of Practice, started working in the charity space initially with the National Trust, and then with the British Heart Foundation.
15 years later, he’s still fully committed to the non-profit space, having been a part of Hart Square as a Consultant, Senior Consultant, and Head of Technology and Services, before taking up his current role.

Senior Business Change Consultant

Lisa Wetlesen

Lisa is a Senior Business Change Consultant. She spent most of her career working within financial services before moving across to the non-profit sector for the last 8 years. She is passionate about helping organisations become more effective in their ways of working and to achieve their goals.

Senior Business Change Consultant

Helen McGrath

With an extensive background in strategic marketing and communications, Helen’s experience in the charity sector includes working on a CRM programme, which led to her current role as a Senior Business Change Consultant. Helen is especially interested in helping charities achieve clarity out of complexity and introducing change successfully.

Business Change Consultant

Jason Marshall

Jason is a Business Change Consultant. He has had a varied career, starting as a research scientist then travelling through software engineering into digital and change consultancy. He has an analytical and systems thinking mindset and is passionate about the combination of digital technology and people-centred design to unlock innovation and transformation in organisations. He has spent the last 10-years working in the not-for-profit sector, primarily focussed in higher education.

Business Change Consultant

Leah Mynett

Leah is a Business Change Consultant at Hart Square and loves helping people realise the value of digital technology and how it can support their teams and beneficiaries. She has spent the majority of her career working for charities and NFP organisations, gaining experiences in areas such as project management, CRM systems, and business intelligence.

Business Change Consultant

Michael Wilcox

Michael’s career includes over 20 years working with non-profit organisations, most recently in the higher education sector. His experience in implementing user-first digital projects within large and complex organisations led him to his current role as Business Change Consultant at Hart Square. He holds qualifications in Prince2, MSP, ITIL and Enterprise Architecture.

Business Change Consultant

Jonathan Beaumont

Jonathan is a Business Change Consultant at Hart Square who loves helping teams improve systems and helping organisations grow to achieve their mission. He has spent the majority of his career in the non-profit sector, with experience in large scale project delivery, system improvements and CRM migration.

 

 

Senior Business Change Consultant

Hennie Stapelberg

Hennie is a Senior Business Change Consultant who has delivered a wide range of CRM, CMS and GDPR focussed requirements gathering, partner selection and business case projects within the membership and not-for-profit sectors. Hennie has many years of experience in managing and delivering projects of all sizes.

Senior Business Change Consultant

Charles Veal

Charles is a Senior Business Change Consultant. He has an extensive background working for membership organisations that has developed into expertise in CRM and CMS systems for the membership and non-profit sector. Charles is a qualified project manager and holds an MBA from Bayes Business School.

Business Change Consultant

Kamila Kozak

Kamila has worked in a range of commercial and non-profit industries, gaining experience in Project Management, Business Transformation and Strategic Leadership. As a seasoned Management Consultant to Senior Management, she is passionate about advancing organisations and their people to unlock their full potential. In addition to where work with Hart Square, Kamila is also a passionate Lecturer to Higher Education Institutions and Business Schools.

Business Change Consultant

Edgar Wodu

Edgar is a Business Change Consultant at Hart Square. He has worked in the Project Management and Business Analysis field for over 15 years and in the NFP and membership sector for the last 7 years. Edgar has a Master’s Degree in ‘Business Information Technology’ and is a Prince 2 Practitioner.

Business Change Consultant

Deborah Kempson-Wren

For over 12 years Deborah has been leading the design and delivery of strategies to enable transformational business change across a range of disciplines including people and business process change, and IT and technology change in the public and not for profit sectors. Deborah is experienced in leading change in large organisations and specialises in working in ambiguous and fast changing environments. Her approach is characterised by her energy for effective and meaningful engagement with stakeholders across all levels in an organisation and she skilfully draws on her Executive and team coaching experience to underpin her ability to quickly become a trusted advisor for our clients.

Digital Marketing and Content Executive

Ellie Leftley

Ellie is our Digital Marketing and Content Executive. She has previously held roles within non-profit organisations and has coupled this experience with her passion for design and all things creative. Ellie leads on content marketing, sharing our knowledge with non-profits across the sector. She’s a Certified Digital Marketing Profession from the Digital Marketing Institute.