[4] After the end of his term of service, but while still a member of the Individual Ready Reserve, Madden was investigated by the Marines for his anti-war activities.

I wish officials in the White House and the Pentagon who got us into this fiasco had a fraction of his honesty and courage.Madden was co-founder of Green Gas Movement, a greentech start-up that won the 2018 MIT Solve contest.

[17] To achieve a more democratic, accountable and responsive government he proposes the introduction of term limits, ranked choice voting, and national ballot initiatives.

[17] Madden calls for public funding of electoral campaigns, stating that "[w]inning an election under the current system requires hundreds of thousands of dollars.

This excludes most working class people from participating, and gives inherent advantage to the kinds of representatives with access to, and perhaps disproportionate sympathies for the economically elite.

[16][17] Madden supports raising taxes for billionaires and large corporations to "invest this revenue into regenerative agriculture, sustainable infrastructure, healthcare, family leave, and education.

[18][19] He supports worker cooperatives: "I would like to see a massive tax incentive, and other public subsidies for businesses offering meaningful avenues for employee ownership.

"[19] He calls for "a trillion-dollar public transportation infrastructure and smart development, meaning creating housing and business land use patterns that are inherently more efficient.