Ginn serves on the Board of Directors of ChevronTexaco (and chairs the Audit Committee) and Templeton Emerging Markets Investment Trust. He serves as an advisor to the Board of The Investment Company of America. He is also an investor and advisor to several start-up companies in Telecommunications.

He retired as Chairman of Vodafone in May, 2000. Ginn assumed the Chairmanship on June 30, 1999 when the merger between Vodafone and AirTouch was completed.

Formerly part of Pacific Telesis Group, AirTouch was spun off as an independent company on April 1, 1994. Ginn became chairman and chief executive officer of AirTouch in December, 1993. He served as CEO until the close of the merger, which was valued at $62B, and created nearly $1B a month in shareholder gain since the April 1994 spin off and more than $2B in value for the AirTouch employees who benefited from Ginn's belief in making employees owners in the company.