投資推廣署署長須領導和管理投資推廣署，以達成上述使命，主要職責包括—

(a) 就制訂促進外來投資的政策和策略，向政府提供意見；
(b) 制訂並持續檢視吸引外來直接投資的行動計劃，並就計劃擬定服務表現指標；
(c) 領導部門推行議定的策略和行動計劃，包括協調相關政府機構的工作，並確保與參與促進外來投資工作的非政府機構保持密切聯繫；
(d) 探討並提出相關措施，以加強香港作為主要投資地點的競爭力和吸引力；
(e) 代表香港特別行政區政府在本港和海外進行促進外來投資的工作；
(f) 定期造訪目標企業，並舉辦和參與本地及非本地的促進外來投資活動；以及
(g) 負責部門的整體管理工作。

Director-General of Investment Promotion (DGIP) is required to lead and manage Invest Hong Kong in achieving its mission. His/Her main duties include –

(a) advising the Government on the development of policies and strategies on inward investment promotion;
(b) developing and keeping under review the action programme for attracting inward direct investment and defining performance targets for the programme;
(c) leading the department to implement the agreed strategy and action programme, including co-ordinating the efforts of relevant government bodies and ensuring close liaison with non-government bodies involved in inward investment promotion;
(d) identifying and advising on measures to strengthen Hong Kong’s competitiveness and attractiveness as a prime investment location;
(e) representing the Government of the HKSAR in inward investment promotion in and outside Hong Kong;
(f) calling regularly on target companies and organising and participating in local and non-local inward investment promotion activities; and
(g) overall management of the department.