Public Sector Directors


Scott McGrath

Environmental Planning Director

City of Phila. Streets Dept.

1401 JFK Boulevard, 730 MSB

Philadelphia, PA 19102

office: (215) 686-5095

fax: (215) 686-7812


Term through 2022

Mike Engel

Assistant Operations Manager

Wayne Township Landfill

264 Landfill Lane – PO Box 209

McElhattan, PA 17748

office: (570) 769-6977


Term through 2021


Scot C. Sample

Executive Director

Northern Tier Solid Waste Authority

PO Box 10

Burlington, PA 18814

office: (570) 297-4177 x 23

fax: (570) 297-3158


Term through 2022

James Lambert

Executive Director

Monroe County Municipal Waste Management Authority

183 Commercial Blvd.

Blakely, PA 18610

office: (570) 643-6100


Term through 2021

Private Sector Directors


Jill Hamill, PE

Project Manager

Civil & Environmental Consultants, Inc.

4350 Northern Pike, Suite 141

Monroeville, PA 15146

office: (724) 989-3549


Term through 2022

Charles Raudenbush, Jr.

Public Sector Services Manager

Waste Management

1000 New Ford Mill Road

Morrisville, PA 19067

office: (609) 798-3003


Term through 2021

Carolyn Witwer

Director of Sales Development

Penn Waste

85 Brickyard Road

Manchester, PA 17345

office: (717) 877-5307


Term through 2022

Denise Wessels, PE

Project Manager

SCS Engineers

22 Denver Road, Suite E

Denver, PA 17517

office: (610) 568-9034


Term through 2021


Chapter Advisory Board Member


Robert Watts

Executive Director

Chester County Solid Waste Authority

7224 Division Highway

Narvon, PA 17555

office: (800) 624-0067 x 227

direct: (484) 796-4040


Term through 2022

Young Professionals Director


Brandon Comer, P.E.

Principal Engineer

T&M Associates

200 Century Parkway

Suite B

Mt. Laurel, NJ 08054

office: (856) 505-3825


Term through 2022

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Pennsylvania Keystone Chapter of 

Solid Waste Association of North America

1610 Russell Road, Lebanon, PA 17046

866 GO SWANA (467-9262)

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