William M Diefenderfer III

Partner, Diefenderfer, Hoover, Boyle & Wood, a law firm, Pittsburgh, PA--1991 to present.

William M. Diefenderfer III is a partner of Diefenderfer, Hoover, Boyle & Wood in Pittsburgh, Pa., since 1991. From 2000 to 2002, Mr. Diefenderfer III was the chief executive officer and president of enumerate Solutions, Inc. He also served as treasurer and chief financial officer of Icarus Aircraft, Inc. from 1992 to 1996. Previously, he served as deputy director of the Office of Management and Budget from 1989 to 1991. He serves on the Board of Directors of U-Store-It Trust (chairman). He was a member of the Standing Advisory Group of the Public Company Accounting Oversight Board, from 2004 to 2005, and Commission on the Future for America's Veterans. Mr. Diefenderfer's legal background combined with his involvement in the executive branch of government and his leadership roles in business, bring valuable experience to the Board in overseeing, among other things, political and financial strategy and business operations.

Relationships Interlocks Giving Data

Donors to Common Recipients

Recipients of donations from William M Diefenderfer III also received donations from these orgs and people

Donor	Common Recipients
Bryce L Harlow	Wayne Allard, John Boehner, Kit Bond, Larry Edwin Craig, Tom Davis, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, Frank Rudolph Wolf, George Allen, Rob Portman, Pat Toomey, Paul Coverdell, William Victor Roth Jr, Newt Gingrich, Bob Dole, Bob Packwood, Larry Pressler, Robert W. Kasten, Jr., Rick Lazio, George W Bush, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Keith S Fimian, Wayne Parker Jr, George H W Bush, Demaris H Miller, Dennis C Shea, Republican Leader's Fund
Tom C Korologos	Wayne Allard, John Boehner, Kit Bond, Larry Edwin Craig, Tom Davis, Kay Bailey Hutchison, John McCain, Gordon Harold Smith, George Allen, Rob Portman, Pat Toomey, John Hubbard Chafee, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Bob Dole, Bob Packwood, Larry Pressler, Robert W. Kasten, Jr., Richard S Williamson, Rick Lazio, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, Wayne Parker Jr, George H W Bush, Demaris H Miller, Dennis C Shea, John W. Warner III
Charles R. Black	Kit Bond, Tom Davis, Kay Bailey Hutchison, John McCain, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Pat Toomey, Thomas Jerome Bliley Jr, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Newt Gingrich, Bob Dole, Bob Packwood, Larry Pressler, Robert W. Kasten, Jr., Richard S Williamson, Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Republican Party of Virginia Inc, Wayne Parker Jr, George H W Bush, Demaris H Miller, John W. Warner III
Ed Rogers	Wayne Allard, John Boehner, Kit Bond, Larry Edwin Craig, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Thomas Jerome Bliley Jr, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Newt Gingrich, Bob Dole, Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, Keith S Fimian, Wayne Parker Jr, George H W Bush, Demaris H Miller
C Boyden Gray	John Boehner, Kit Bond, Tom Davis, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Pat Toomey, John Hubbard Chafee, Paul Coverdell, Lauch Faircloth, Bob Dole, Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Republican Party of Virginia Inc, Freedom Project, George H W Bush, 1994 Republican Senate-House Dinner/Aka President's Dinner, Demaris H Miller, Dennis C Shea
David Bockorny	John Boehner, Kit Bond, Tom Davis, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Pat Toomey, Thomas Jerome Bliley Jr, John Hubbard Chafee, Paul Coverdell, Newt Gingrich, Bob Dole, Larry Pressler, Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, George H W Bush, Republican Leader's Fund
Carl H Lindner	Wayne Allard, John Boehner, Kit Bond, Larry Edwin Craig, Kay Bailey Hutchison, John McCain, John E Sununu, George Allen, Rob Portman, Pat Toomey, Paul Coverdell, Lauch Faircloth, Newt Gingrich, Bob Dole, Bob Packwood, Larry Pressler, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Republican Party of Virginia Inc, Freedom Project, Wayne Parker Jr, George H W Bush
Richard H Kimberly	Wayne Allard, Kit Bond, Tom Davis, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, George Allen, Rob Portman, Pat Toomey, John Hubbard Chafee, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Bob Dole, Bob Packwood, Larry Pressler, Robert W. Kasten, Jr., Rick Lazio, George W Bush, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Republican Party of Virginia Inc, George H W Bush
Smith Davis	Wayne Allard, Kit Bond, Larry Edwin Craig, Tom Davis, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, Frank Rudolph Wolf, George Allen, Rob Portman, Lauch Faircloth, Bob Dole, Bob Packwood, Larry Pressler, Robert W. Kasten, Jr., Richard S Williamson, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, George H W Bush, John W. Warner III
Lanny Griffith	Wayne Allard, John Boehner, Kit Bond, Larry Edwin Craig, Tom Davis, John McCain, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Newt Gingrich, Bob Dole, Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, Keith S Fimian, George H W Bush, John W. Warner III
James E Smith	Wayne Allard, John Boehner, Kit Bond, Larry Edwin Craig, Tom Davis, John McCain, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Pat Toomey, John Hubbard Chafee, William Victor Roth Jr, Bob Dole, Bob Packwood, Larry Pressler, Rick Lazio, George W Bush, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, 21st Century PAC, George H W Bush, John W. Warner III
Michael Keiser	Wayne Allard, John Boehner, Kit Bond, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Pat Toomey, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Bob Dole, Bob Packwood, Robert W. Kasten, Jr., Richard S Williamson, Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Keith S Fimian
Nicholas Calio	John Boehner, Kit Bond, Larry Edwin Craig, Kay Bailey Hutchison, John McCain, John E Sununu, George Allen, Rob Portman, Thomas Jerome Bliley Jr, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Newt Gingrich, Bob Dole, Larry Pressler, Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, Wayne Parker Jr, George H W Bush
Peter M Flanigan	Kit Bond, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Pat Toomey, Paul Coverdell, Bob Dole, Larry Pressler, Richard S Williamson, Rick Lazio, George W Bush, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Republican Party of Virginia Inc, Freedom Project, George H W Bush, Demaris H Miller, Dennis C Shea, Tim Burns
Wayne L Berman	Wayne Allard, John Boehner, Larry Edwin Craig, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Pat Toomey, John Hubbard Chafee, William Victor Roth Jr, Lauch Faircloth, Bob Dole, Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, George H W Bush, John W. Warner III
Dan Meyer	Wayne Allard, John Boehner, Kit Bond, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, John E Sununu, George Allen, Rob Portman, Pat Toomey, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Newt Gingrich, Rick Lazio, George W Bush, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, Keith S Fimian, Christine C Ferguson, Tim Burns
Max M Fisher	Wayne Allard, Kit Bond, Larry Edwin Craig, Kay Bailey Hutchison, Gordon Harold Smith, George Allen, Paul Coverdell, William Victor Roth Jr, Newt Gingrich, Bob Dole, Bob Packwood, Larry Pressler, Robert W. Kasten, Jr., Rick Lazio, George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, George H W Bush, 1994 Republican Senate-House Dinner/Aka President's Dinner, John A Schall, John W. Warner III
Thomas A Davis	Wayne Allard, John Boehner, Kit Bond, Larry Edwin Craig, Walter William Herger, Kay Bailey Hutchison, John McCain, Paul Ryan, Gordon Harold Smith, George Allen, Thomas Jerome Bliley Jr, William Victor Roth Jr, Lauch Faircloth, Newt Gingrich, Bob Dole, Bob Packwood, Larry Pressler, George W Bush, New Republican Majority Fund, National Republican Senatorial Committee, National Republican Congressional Committee, Freedom Project, Wayne Parker Jr, George H W Bush
Roy Pfautch	John Boehner, Kit Bond, Larry Edwin Craig, Kay Bailey Hutchison, John McCain, Paul Ryan, John E Sununu, George Allen, Rob Portman, Pat Toomey, John Hubbard Chafee, Paul Coverdell, Newt Gingrich, Bob Dole, Bob Packwood, Larry Pressler, Robert W. Kasten, Jr., Richard S Williamson, George W Bush, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, Republican Party of Virginia Inc, George H W Bush
Edward C Levy Jr	Wayne Allard, John Boehner, Kit Bond, Larry Edwin Craig, John McCain, Gordon Harold Smith, John E Sununu, Frank Rudolph Wolf, George Allen, Rob Portman, Pat Toomey, Paul Coverdell, William Victor Roth Jr, Lauch Faircloth, Newt Gingrich, Bob Dole, Larry Pressler, Robert W. Kasten, Jr., George W Bush, New Republican Majority Fund, Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, John W. Warner III

Types	Person, Business Person, Lobbyist, Lawyer
Gender	Male
Birthday	May 3 '45

William M Diefenderfer III

Partner, Diefenderfer, Hoover, Boyle & Wood, a law firm, Pittsburgh, PA--1991 to present.

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