Keystone Acquisition Services Corporation

Keystone Acquisitions | Our Staff

Who We Are


With over 200 combined years of experience, Keystone Acquisition Services employs experienced right-of-way professionals to meet your project’s needs. Our team consists of project managers, negotiators, appraisers, and relocation specialists working together to provide the full spectrum of right-of-way services.


Ericka Ehrenberger – CEO

Craig Laurenson – COO & Project Manager

Project Managers

Josh Harkins – Eastern Regional Manager

Warren LaRiviere, SR/WA


Maggie Qualters – Chief Appraiser

Tim Meals – Staff Appraiser

Elwyn Laud-Hammond – Real Estate Analyst

Negotiators, Relocation Advisors & Real Estate Specialists

Chuck Latus

Devney Washington

Matt Filippelli

Desiree D’Alessandro

Aimee Golden

Lindsay Allen

Susan Nimon

Elwyn Laud-Hammond

Carrie LaRiviere

Shannon Rizzo