Sebastian Ertelt is an American politician.
Ertelt received a Bachelor of Science in mechanical engineering from North Dakota State University and an MBA from the University of Mary.[2] In 2016 he was elected to represent the 26th district in the North Dakota House of Representatives with Representative Kathy Skroch.[2][3] They defeated the Democratic incumbents Bill Amerman and Jerry Kelsh in the 2016 election after having previously lost to them in 2012.[1]
He is a member of the North Dakota Republican Party.[4]