Professional Practice Networks
PPN Resources

PPN Council

The PPN council consists of the chairs of all PPNs. The PPN council meets quarterly via conference call to discuss matters of interest to all PPNs.

The council chair is a past chair from one of the PPNs. The council chair designate and the council's immediate past chair also sit on the council. In addition, the vice president for professional practice is the council's liaison to the ASLA executive committee.

Council Leadership:

Council of Professional Practice Networks, Chair
Vaughn Rinner, FASLA
(757) 749-9991

Council of Professional Practice Networks, Chair Designate
Jay Gehler, ASLA
(608) 695-6722

Council of Professional Practice Networks, Immediate Past Chair
Hunter Beckham, ASLA
(314) 644-5700

Vice President of Professional Practice
Annette Wilkus, FASLA
(212) 255-8350

PPN Chairs:

Campus Planning and Design

Dean Gregory, ASLA, Chair
(604) 822-7913

Children's Outdoor Environments

Lisa Horne, ASLA, Co-Chair
(210) 220-1400

Julie Johnson, ASLA, Co-Chair
(206) 685-4006 


Jay Gehler, ASLA, Chair
(608) 695-6722

Digital Technology

David Leonard, ASLA, Chair
(619) 294-4477

Healthcare and Therapeutic Design
Jack Carman, FASLA, Chair
(609) 953-5881

Historic Preservation

Andrew Kohr, ASLA, Chair
(678) 689-2377

Housing and Community Design 

Kristian Kelley, Associate ASLA, Chair
(602) 318-5397

International Practice

Erik Mustonen, ASLA, Chair
(780) 423-4990 

Landscape Architecture and Transportation
Craig Churchward, ASLA, Co-Chair
(612) 655-0651

Wendy Miller, ASLA, Co-Chair 
(336) 747-6878 

Landscape/Land Use Planning 

Stan Clauson, ASLA, Chair
(970) 925-2323

Parks and Recreation 

Alison Jumper, ASLA, Chair
(479) 444-3469

Planting Design

Deirdre Toner, Affiliate ASLA, Chair
(847) 338-2963

Reclamation and Restoration

Lee Skabelund, ASLA, Chair
(785) 532-2431

Residential Landscape Architecture 

Jennifer Horn, ASLA, Co-Chair
(202) 573-7581

James Hughes, Affiliate ASLA, Co-Chair
(850) 294-3227

Sustainable Design and Development 

Lisa Cowan, ASLA, Co-Chair
(207) 829-3600
Constance (CeCe) Haydock, ASLA, Co-Chair
(516) 759-7039

Urban Design 

Taner Ozdil, ASLA, Co-Chair
(817) 272-5089

Marc Yeber, ASLA, Co-Chair
(323) 822-3222

Water Conservation 

Laurie Beth Donnachie, ASLA, Co-Chair
Matthew Mathes, ASLA, Co-Chair
(425) 894-5505

Women in Landscape Architecture 

Kristina Snyder, ASLA, Co-Chair
(706) 372-4058  

Christa Wollenzien, ASLA, Co-Chair



ASLA Professional Practice

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