The Honorable Sean Casten
U.S. Representative, Illinois's 6th Congressional District
We are honored to welcome U.S. Representative Sean Casten as a Keynote Speaker at the 2026 DuPage Model United Nations Conference.
Academic Background
Bachelor of Arts, Molecular Biology and Biochemistry – Middlebury College
Master of Science & Master of Engineering Management – Dartmouth College
Public Service & Legislative Focus
A former clean energy entrepreneur, drawing on his business background to prioritize climate action, affordable healthcare, and strengthening science-based policy
Legislative priorities include:
Energy policy and environmental protection
Affordable healthcare
Investment in renewable energy
Finance and the financial sector
Innovation Leadership
An engineer and clean energy entrepreneur who built his pre-Congress career in energy efficiency, bringing a scientist's and businessman's perspective to Capitol Hill
Trailblazer in Representation
Flipped Illinois's 6th Congressional District from Republican control in the 2018 midterm elections, representing southwestern Chicago and its surrounding suburbs
Personal Life
Born in Dublin, Ireland, and raised in Hartsdale, New York; married to Kara since 2000
Rep. Casten's journey—from a career as a scientist and clean-energy entrepreneur to the halls of Congress—embodies the very spirit of public service, innovation, and evidence-driven leadership that DUMUN aims to inspire in every delegate.
The Honorable Greg Hart
President, Village of Hinsdale, IL
We are honored to welcome Hinsdale Village President Greg Hart as a closing Keynote Speaker at the 2026 DuPage Model United Nations Conference.
Academic Background
Bachelor of Arts, Magna Cum Laude and Phi Beta Kappa – University of Illinois at Urbana-Champaign
MBA – University of Chicago Booth School of Business
Public Service & Legislative Focus
Represented nearly 1 million residents in the western suburbs of Chicago as a DuPage County Board Member from 2017 to 2023
Legislative priorities included:
Controlling costs and taxes while improving government accessibility and efficiency
Expanding access to substance-use treatment and mental health services
Forming new business enterprise programs for minority-owned, women-owned, and veteran-owned firms
Modernizing county technology infrastructure and the property tax system
Innovation Leadership
Led the integration of psychiatric services into the DuPage County Health Department, saving taxpayers nearly $1 million, and won DuPage County two national achievement awards from the National Association of Counties for his leadership of the county's opioid-response task force
Trailblazer in Representation
Became the first millennial to serve on the DuPage County Board when elected to a full term in 2018 at age 30, and was consistently rated the most bipartisan member of the County Board
Personal Life
Lives in Hinsdale with his wife, Alexandra, and their daughter
Village President Hart's journey—from county government reformer to Hinsdale's chief executive—embodies the very spirit of public service, innovation, and bipartisan leadership that DUMUN aims to inspire in every delegate.