At the time of his election to the legislature, he was a government and economics student at Dartmouth College, where he severed as vice president of the Dartmouth Democrats. Muscatel first became interested in politics when he attended Barack Obama's presidential inauguration on January 20, 2009. At age 21, he was the youngest openly LGBTQ legislator serving in the entire United States. He is set to pursue a JD from Stanford Law School as a Knight-Hennessy Scholar. He has two siblings, Evan Muscatel and Quinn Muscatel.