Stroth was a member of seminal improv team The Family, whose members included Matt Besser, Ali Faranahkian, Neil Flynn, Adam McKay and Ian Roberts.
Upright Citizens Brigade (Matt Besser, Ian Roberts, Ali Farahnakian, Adam McKay, Rick Roman, and Horatio Sanz)
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He is one of the founding members of the Upright Citizens Brigade improv comedy group and a former performer at Chicago's Improv Olympic, where he was a member of the improv group, The Family, whose members included Matt Besser, Ian Roberts, Neil Flynn, Miles Stroth, and Ali Farahnakian, and Child's Play Touring Theatre.
The SFIC produced master classes by some improv teachers including Charna Halpern (IO Theater), Mick Napier (Annoyance Theatre), David Razowsky (Second City Los Angeles), and Ian Roberts and Matt Besser (Upright Citizens Brigade).