Executive Leadership Team
Vanessa Blake
As Chief Customer Officer, Vanessa provides strategic background in customer experience and business development to enhance our support to existing and new clients that rely on our ADMIRALTY charts and services to safely navigate the world’s oceans.

Amy Carrillo
As Chief People Officer, Amy Carrillo is responsible for developing a culture and work environment that helps staff to thrive at the UK Hydrographic Office (UKHO).
Across the organisation, her teams play a key role in leadership development, smarter working, diversity and inclusion and engagement, both internally and across the local community. These teams are also responsible for the creation of the UKHO’s award-winning apprenticeship scheme, which has been instrumental in helping the organisation to harness new talent and support the development of staff.
Angus Essenhigh
As National Hydrographer and Director of Data Acquisition, Angus is responsible for building partnerships which underpin the UKHO’s role as a world-leading centre for hydrography and marine geospatial data.
He will lead the work that the UKHO undertakes within the international hydrographic community and supporting the organisation’s efforts to fulfil its public task and ensure Safety of Life at Sea.

Terry Makewell
Terry Makewell is the Chief Technology Officer at the UK Hydrographic Office, having joined in April 2018. He is also a member of the British Council Digital Advisory Group.
Prior to joining the UKHO, Terry was Chief Digital Officer at the Office for National Statistics (ONS), where he had responsibility for delivering transformation programmes across data collection, processing and analysis.
Terry has also had experience within government as Head of Digital & Global Media at the Met Office.

Stephen Potts
The board’s role is to support and constructively challenge the executive committee and to apply scrutiny both in the development of business strategies, cases, plans and targets; and in assessing our success in delivering the approved corporate plan.
Stephen Potts is the Director of Finance and Corporate Services at the UK Hydrographic Office.

Peter Sparkes
As Chief Executive, Peter leads the organisation’s important work in supporting safe, secure and thriving oceans.

David Tomaney
As Chief Data Officer at the UK Hydrographic Office (UKHO), Dave Tomaney leads teams responsible for assuring, managing and assessing data, and creating products and services.