What did Dave do/not do at Second City?

Dave DID write sketches for Second City's business theater. 
Clients included:

Ameritech, Square D, Arthur Andersen, Xerox, Motorola, Kronos

What is Second City's business theater?

Companies hire Second City to perform customized comedy shows at conventions, functions and trade shows. 

I wrote some of that cutting edge corporate humor.

- "Hey, what's up with Bob in accounting?"

Didn't

Didn't