Marc Steinorth

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Marc Steinorth
Marc Steinorth.jpg
Member of the California State Assembly
from the 40th district
Assumed office
December 1, 2014
Preceded by Mike Morrell
Personal details
Nationality American
Political party Republican
Children Madison
Residence Rancho Cucamonga, California
Alma mater University of California, Riverside
Occupation Politician and Business Owner

Marc Steinorth is an American politician currently serving in the California State Assembly. He is a Republican representing the 40th district, encompassing parts of the Inland Empire. Prior to being elected to the state assembly, he was a Rancho Cucamonga city councilmember.

Early life and career[edit]

Steinorth was raised in a military family, as his father served as an Officer in the United States Air Force. After graduating from Ramstein American High School in West Germany, Steinorth attended the University of Maryland at Munich before returning to Southern California, where he then completed his studies and graduated with honors from the University of California, Riverside with a bachelor's degree in Political Science.[1] In 1998, Steinorth founded The Atlas Buying Group inc, an advertising agency that provides professional services to local businesses and corporations nationwide.[2]


2012 City council[edit]

Assemblyman Marc Steinorth talks with students at the University of Redlands.

In the 2012 general election, Steinorth received the most votes (17,385 or 26%)[3] and secured a seat in the Rancho Cucamonga City Council. As a Council Member, Steinorth was the Vice Chairman of the League of California Cities Inland Region Legislative Task Force, a group which aims to advocate for policy decisions in Sacramento that positively impact the interests of local residents and businesses. Additionally, Steinorth was a member of the Chamber of Commerce committee and the Technology and Communications Subcommittee, as well as the Consolidated Fire Agencies (ConFire) committee."[4]

2014 California State Assembly candidacy[edit]

On December 5, 2013, Steinorth announced that he would be running as a Republican candidate for California's 40th State Assembly district in the upcoming 2014 mid-term elections and won.[5]

California's 40th State Assembly district election, 2014
Primary election
Party Candidate Votes %
Republican Marc Steinorth 20,292 53.9
Democratic Kathleen Henry 6,416 17.1
Democratic Melissa O'Donnell 5,835 15.5
Democratic Arthur Bustamonte 5,085 13.5
Total votes 37,628 100.0
General election
Republican Marc Steinorth 39,303 55.7
Democratic Kathleen Henry 31,309 44.3
Total votes 70,612 100.0
Republican hold

2016 California State Assembly candidacy[edit]

Steinorth was reelected with 50.6% of the vote.

California's 40th State Assembly district election, 2016
Primary election
Party Candidate Votes %
Democratic Abigail Medina 39,583 51.5
Republican Marc Steinorth (incumbent) 37,339 48.5
Total votes 76,922 100.0
General election
Republican Marc Steinorth (incumbent) 76,537 50.6
Democratic Abigail Medina 74,589 49.4
Total votes 151,126 100.0
Republican hold


Steinorth has two children, Madison and Mason.[1]


  1. ^ a b "Marc Steinorth Biography". Archived from the original on 24 January 2014. Retrieved 18 January 2014.
  2. ^ "Atlas Buying Group". Retrieved 18 January 2014.
  3. ^ "Election Results". LA Times. Retrieved 18 January 2014.
  4. ^ "Rancho Cucamonga Website". City of Rancho Cucamonga. Missing or empty |url= (help); |access-date= requires |url= (help)
  5. ^ Horseman, Jeff. "40th Assembly District: Rancho Cucamonga councilman enters race". The Press Enterprise. Retrieved 18 January 2014.

External links[edit]