Working together since 1979, William Ayars AIA ACHA and Lawrence Fischer AIA ACHA co-founded Perspectus in 2001.

The firm’s principals effectively lead a team of architects which has executed major projects for clients throughout the Midwest.

Providing senior leadership and hands-on involvement, our principals have a reputation for building and maintaining client relationships through attention to service, quality work and honesty.


Bill Ayars
Bill Ayars, AIA, ACHA, MBA
Managing Principal

Alan Ambuske
Alan Ambuske, AIA, NCARB

Mike Lipowski
Mike Lipowski, AIA, NCARB, LEED AP

Sal Rini
Sal Rini, AIA

Larry Fischer
Larry Fischer, AIA, ACHA
Managing Principal

Peter Bohan
Peter Bohan, AIA, LEED AP

Vladimir Novakovic
Vladimir Novakovic, AIA, NCARB

Jim Wallis
Jim Wallis, AIA, NCARB