Kammala wannan jumla: Kirshner ya kasance tare da dukkan taron kasa na Democratic tun daga 1992. Daga cikin rawar da ya taka a cikin samar da yarjejeniyoyi, Kirshner ya yi aiki a matsayin mai samar da yarjejeniyar 2000, mai ba da umarni ga
Yarjejeniyar 2008 da 2012, mai haɗin gwiwa don taron 2016 (tare da Vicangelo Bulluck), kuma ya kula da shirye-shiryen Babban Taron Demokradiyya na 2020.