Stephen J. "Steve" Luczo (born February 28, 1957 in Chicago, Illinois) is the Executive Chairman of Seagate. In January 2009, Luczo, Seagate's chairman, was appointed president and chief executive officer, returning him to the role he held at Seagate from 1998 to 2004. He held the position of CEO again from 2009 until October 1, 2017, at which time Dave Mosley became CEO. During the period after Luczo's return as CEO in 2009, Seagate's stock appreciated by 1600%, placing it among the top 5 performing stocks in the S&P 500.
Luczo is a member of the board of directors of the World Wildlife Fund, a member of the Advisory Board for All-Stars Helping Kids, a senior advisor to non-profit educational organization the Silicon Valley Japan Platform and is active in a variety of charitable and for-profit ventures through a wholly owned entity, Balance Vector, Inc. His charity initiatives are primarily focused on global environmental issues and programs to help at-risk children in the urban centers of the United States and the rural areas of Sicily, and he is a major donor to Stanford University and Hospital, the World Wildlife Fund, and the Palo Alto Medical Foundation. In 2015, to recognize his support for education in service to the Italian Republic, Italy's President Sergio Mattarella honored Luczo with the title Cavaliere dell’Ordine della Stella d’Italia (a knighthood known in English as the "Order of the Star of Italian Solidarity"). In 2017 he received the honorary degree DSc (Econ) for services to business and commerce from Queen's University of Belfast in recognition of the role that Seagate Technology has had in Northern Ireland since 1993.