Dow Constantine

Dow Constantine
CEO of Sound Transit
Assumed office
April 1, 2025
Preceded byGoran Sparrman (interim)
8th Executive of King County
In office
November 24, 2009  March 31, 2025
Preceded byKurt Triplett (acting)
Succeeded byShannon Braddock (interim)
Chair of the King County Council
In office
January 12, 2009  November 24, 2009
Preceded byJulia Patterson
Succeeded byBob Ferguson
Member of the King County Council
from the 8th district
In office
January 7, 2002  November 24, 2009
Preceded byGreg Nickels
Succeeded byJan Drago
Member of the Washington Senate
from the 34th district
In office
November 26, 2000  January 7, 2002
Preceded byMichael J. Heavey
Succeeded byErik Poulsen
Member of the Washington House of Representatives
from the 34th district
In office
January 13, 1997  November 26, 2000
Preceded byGeorgette Valle
Succeeded byJoe McDermott
Personal details
Born
James Dow Constantine

(1961-11-15) November 15, 1961
Seattle, Washington, U.S.
Political partyDemocratic
SpouseShirley Carlson
Children1
EducationUniversity of Washington (BA, JD, MUP)
WebsiteCampaign website

James Dow Constantine (born November 15, 1961) is an American lawyer, urban planner, and politician who is the chief executive officer of Sound Transit. He was appointed in 2025 after resigning as county executive of King County, Washington, a position he had held since 2009. A member of the Democratic Party, Constantine served on the King County Council from 2002 to 2009, and in the Washington State Legislature from 1997 to 2002.