ALASKA HOUSE MAJORITY SEAL

District: 15
Party: Republican

Legislative Service
2011-2014 Representative
2015-2018 Senator
2019-2020 Senator Majority Leader 1/15 – 7/8/19
2021-2022 Senator
2025-          Representative

Member House Commerce, Community & Economic Dev (Fin Sub)
Member House Environmental Conservation (Fin Sub)
Member House Judiciary (Fin Sub)
Member House Law (Fin Sub)
Member House Energy
Member House Governor (Fin Sub)
Member House Legislature (Fin Sub)
Member House Committee On Committees
Member House Judiciary
Member House Rules

Session Contact

State Capitol Room 421
Juneau AK, 99801
Phone: 907-465-4993

Interim Contact

1500 W. Benson Blvd.
Anchorage AK, 99503
Phone: 907-269-0200

MORE ABOUT REP. COSTELLO

Date/Place of Birth:
Anchorage – 1968

Residency in Alaska:
Lifelong Alaskan
Anchorage (1968-’91, ’99-’03, ’08 to present)
Juneau (1991-’99, ’03-’06)
Fairbanks (2006-’08)

Occupation:
Mother, teacher, public relations executive, and Governor’s staff

Family:
Spouse: Andrew
Children: Andrew and Roman

Education:
West High School – Diploma, 1986
Harvard University – B.A. in Government, 1990
University of Alaska Southeast – Master of Arts in Teaching, 1997

Other Political and Government Positions:
Governor’s Office Deputy Director of Communications; Legislative aide; State Public Information Officer; Intern coordinator for U.S. Senator Ted Stevens; Governor’s Outdoor Recreation and Trails Advisory Council; Governor’s Council on Physical Fitness & Sports; Statehood Celebration Commission

Business and Professional Positions:
Coach, NineStar Education & Employment Services; Teacher, Anchorage and Juneau School Districts; Public relations executive; Owner, Mia Costello Consulting

Service Organizations and Community Involvement:
Alaska Outdoor Council; National Rifle Association; Alaska Airmen’s Association; Anchorage Republican Women’s Club; Juneau Big Brothers Big Sisters; Masters Swimming

Other Information:
Alaska Humanities Forum Teacher Exchange to Sand Point; Co-Nect Schools Excellence in Education finalist

Special Interests:
Youth literacy, flying, swimming, and camping

ALASKA HOUSE MAJORITY SEAL

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