Sector Columbia River
2185 SE 12th Place Warrenton, OR 97146

Security Levels

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Deputy Commander, Sector Columbia River

Captain Sean C. MacKenzie

Captain Sean C. MacKenzieCAPT Sean MacKenzie has served as Deputy Commander Sector Columbia River since June 2013.  CAPT MacKenzie has ten years of sea time and has served on five Coast Guard ships including Commanding Officer of ZEPHYR (WPC-8) from 2006 to 2008 and ADAK (WPB-1333) from 2001 to 2003, Executive Officer of JARVIS (WHEC-725) from 2010 to 2012 and EDISTO (WPB-1313) from 1994 to 1996, and Deck Watch Officer on SORREL (WLB-296) from 1992 - 1994. 

While in command of ADAK, a 110’ Law Enforcement / Search and Rescue (LE / SAR) patrol boat homeported in Sandy Hook, NJ, he responded to the September 11, 2001 attack on the World Trade Center in New York City and was designated the on-scene commander for all of NY harbor.  CAPT MacKenzie was also in command of ADAK when the cutter was designated the on-scene commander for the crash of American Airlines flight 587. CAPT MacKenzie then deployed on ADAK for the first four months of the Operation Iraq Freedom mission.  During Operation Iraq Freedom, ADAK provided force protection for landing craft and Special Forces during the invasion.  ADAK captured three Iraq prisoners of war and successfully dewatered a barge laden with mines.  Following the invasion, ADAK provided force protection for mine sweepers clearing the channel to Iraq’s only deep water port and escorted ships carrying humanitarian supplies into Iraq.  During CAPT MacKenzie’s tour as Commanding Officer of ZEPHYR, a 179’ LE / SAR patrol boat home ported in Coronado, California, ZEPHYR confiscation of almost 7 tons of cocaine and placed 17 suspected drug traffickers into custody.  He disrupted go-fast smuggling boat operations and neutralized 1,200 liters of go-fast fuel.  While CAPT MacKenzie was Executive Officer of JARVIS, a 378’ LE / SAR cutter, JARVIS conducted fisheries patrols in the Western, Central, and Southern Pacific ocean and conducted a counter-narcotics patrol off of Central America. While CAPT MacKenzie was Executive Officer of EDITO, a 110’ LE / SAR cutter, EDISTO conducted fisheries patrols and search and rescue off the Northern coast of California.  CAPT MacKenzie’s staff assignments include serving as the Coast Guard representative to the Depart of Defense European Command in Stuttgart, Germany from 2008 to 2010.  He was a Fellow to the US Senate sub-committee on Homeland Security Appropriations from 2003 to 2006.  He served in the Coast Guard Chief of Staff’s Office of Financial Systems at Coast Guard Headquarters in Washington, DC from 1998 to 2001.  

CAPT MacKenzie holds an undergraduate degree in government from the U.S. Coast Guard Academy, a Master’s degree with honors in Business Administration from the College of William and Mary, and a Master’s degree in Strategic Studies from the Air Force War College.  His military awards include the Bronze Star medal, the Defense Meritorious Service Medal, two Meritorious Service medals, four Coast Guard Commendation medals, the DOT 9-11 medal, and two Commandants Letter of Commendation ribbons.  He is married to the former Dorothy Sundstrom of Madison, NJ with whom he is raising their daughters Anna Lynn, age 13, Emma Elizabeth, age 10, and Ella Rae, age 8.


Last Modified 9/20/2014