Robert Croker is Chairman of Trustees of the New Zealand National Maritime Museum and ex Chairman of Trustees of the Northcote Retirement Village - a significant charitable trust which also includes a rest home and geriatric hospital. Robert was the first Chairman of Partners of Ernst & Young, New Zealand, Chartered Accountants and was senior audit partner and corporate financial consultant on retirement. He was also ex Chairman of Richmond Limited, a publicity listed company in the meat industry and ex Chairman of Rimanui Farms Limited, a substantial private farming company.
Other interests include: life membership of Auckland War Memorial Museum, Friends of Holy Trinity Cathedral, Outward Bound and Youthtown. Currently treasurer and executive member of the Remuera Bowling Club.