|John W. Ladenburg Sr.|
|Pierce County Executive|
|Preceded by||Doug Sutherland|
|Succeeded by||Pat McCarthy|
|Pierce County Prosecuting Attorney|
|Tacoma City Council|
|Born||September 19, 1949 (age 67)|
|Residence||Tacoma, Washington, U.S.|
|Alma mater||Gonzaga University
Gonzaga University School of Law
John W. Ladenburg Sr. (b. September 19, 1949) was appointed to the Tacoma City Council in 1982 and elected to a full term in 1984. He was elected Pierce County Prosecuting Attorney in 1986, defeating incumbent Bill Griffies. Ladenburg was reelected Prosecuting Attorney three times, becoming the first person to be elected to the office of Prosecuting Attorney more than twice. He was elected Pierce County Executive in 2000 defeating County Council Member Jan Shabro,receiving 59.6% of the vote. He was re-elected County Executive in 2004, terming out November 2008. One of Ladenburg's principal accomplishments in office was spearheading the development of Chambers Bay Golf Course in University Place, a municipal facility that will host the 2010 United States Amateur and 2015 U.S. Open golf championships.
Ladenburg was born in Leavenworth, Washington. In 1967 he graduated from Stadium High School in Tacoma, Washington. He received an undergraduate degree in political science (honors) in 1971 and a law degree in 1974, both from Gonzaga University. After graduation, he began a career as a trial attorney. Ladenburg was involved in several high-profile criminal cases including the Federal Salmon Scam trials and the Pierce County Racketeering trials.
His wife, Connie, served two terms on the Tacoma City Council from 2002-2010, she was elected to the State Legislature in 2010 serving one term and then was elected to the Pierce County Council in 2012. His brother, Barry, was appointed to the Sea-Tac City Council in 2008 and left office in 2010, then was elected to the Council again in 2012. His brother, David Ladenburg, is an elected Municipal Court Judge in Tacoma, serving his third term.
In 2009 Ladenburg returned to private practice. He is Of Counsel at the law firm Sadler Ladenburg in Tacoma. He practices personal injury law with his two sons, John Ladenburg, Jr. and Erik Ladenburg.