AACE - Key Persons


Christian Heller

Job Titles:
  • Director, Technical Guidance
The Director, Technical Guidance serves as the staff liaison to the Technical Board. Contact Christian if you are looking for sources of technical information and/or support, have questions about the technical program at the AACE International Conference & Expo, or our discussion communities.

Cindy L. Hands - Treasurer

Job Titles:
  • Treasurer

Debra L. Lally - CEO

Job Titles:
  • Chief Executive Officer
  • Executive Director
The Executive Director/CEO serves as the chief staff officer and works in partnership with the Board of Directors fulfilling AACE International's mission to be the recognized authority in Total Cost Management. She oversees the association headquarters and staff, providing strategic and operational leadership. Deb serves alongside the President as a spokesperson for AACE.

Dr. Nakisa Alborz

Job Titles:
  • Director - Education

Dr. Stephen P. Warhoe

Job Titles:
  • Director - Technical

Gina Mazzetti

Job Titles:
  • Member Services Coordinator
Our Member Services Coordinator is responsible for coordinating the individual and organizational membership programs. She is the resident expert for navigating the membership application and dues renewals process, in addition to maintaining member records and section leadership election results. Gina should be contacted for any questions or issues related to these areas or general information.

Greg Carte

Job Titles:
  • Technical Operations Coordinator
The Technical Operations Coordinator provides support and assistance to the IT department. He also assists the Technical Guidance department in the preparation and editing of technical documents.

Hannah E. Schumacher

Job Titles:
  • Director at - Large

Husain Ali Al-Omani

Job Titles:
  • CCP CEP DRMP EVP PSP

Janice L. Johnson

Job Titles:
  • Director, Accounting and Administration
The Director, Accounting and Administration leads the development, implementation, and administration of AACE's financial and human resource systems. She oversees operations of the association in accordance with generally accepted accounting principles, applicable legal requirements, and established policies and procedures. Janice supports the Board of Directors related to the financial and tax affairs of the association.

Jennie Amos

Job Titles:
  • Director, Governance, Marketing, and Meetings
The Director, Governance, Marketing, and Meetings manages the annual Conference & Expo and all other AACE events. She supports the Board of Directors and is the staff liaison for the Awards Committee and the Women in Project Controls Committee. Jennie also maintains the registered service marks of AACE. She can be contacted for association and Section marketing materials, and for questions on the AACE-News (electronic newsletter), surveys, or regarding any of the specialty committees/task forces.

Joanna Boggs

Job Titles:
  • Business Development Coordinator

Marvin Gelhausen

Job Titles:
  • Managing Editor
The Managing Editor oversees the production of AACE electronic and print publications, including the peer-reviewed Cost Engineering journal and Source online. He works with staff on each new edition of volunteer authored study guides and AACE body of knowledge publications, taking these from draft format to digital pdf downloads or print-on-demand publications. He can be contacted with questions or assistance on copyright, permission to use requests, reprint authorizations, submission of abstracts and manuscripts, and any customer service questions related to publications. Marvin works with candidates for the annual AACE election, preparing candidate information for posting with the online ballot.

Mary Kathryn Jackson

Job Titles:
  • Manager, Member Engagement

Michael J. Bennink

Job Titles:
  • Director at - Large

Molly Burrow

Job Titles:
  • Senior Accounting Assistant
The Senior Accounting Assistant, under the direction of the Director, Accounting and Administration, is responsible for reconciling and reporting all cash receipts, accounts receivable, and revenue deferrals. Molly prepares corporate invoices, posts batch transactions, and is responsible for maintaining records of Section Minimum Standards compliance and remittance documentation as well as general cash disbursements.

O.T. Zimmerman - Founder

Job Titles:
  • Founder

Patrick M. Kelly - President

Job Titles:
  • President

Ryan Schwertfeger

Job Titles:
  • Manager, Information Technology
Manager, Information Technology Ryan Schwertfeger +1.304.2968444 x1119 rschwertfeger@aacei.org The Manager, Information Technology oversees all IT functions at headquarters and handles the association's website and AMS functions.

Sara Peters

Job Titles:
  • Credentialing Analyst
Our Credentialing Analyst is responsible for the overall administration of technician level certifications (CCT & CST) and managing the recertification program for all professional and expertise certifications (CCP, CEP, CFCC, DRMP, EVP, PRMP & PSP). Sara should be contacted for any questions or issues related to the technician certification or recertification process.

Teri Jefferson

Job Titles:
  • Manager, Education
Our Manager, Education is responsible for management of the Approved Education Provider (AEP) program, the Mentoring Program, and the Scholarship program, while overseeing the day-to-day operations of AACE International education products and programs. The Manager, Education also serves as the staff liaison to the Education Board and is responsible for ensuring education products and programs are in compliance with the policies and procedures set forth by the Education Board. Teri should be contacted for questions or issues related to these areas.

Valerie Smith

Job Titles:
  • Senior Credentialing Analyst
Our Senior Credentialing Analyst manages and supervises the day-to-day operations of the certification program. She is our resident expert in examination eligibility verification for professional and expertise certifications (CCP, CEP, CFCC, DRMP, EVP, PRMP & PSP) and works closely with the examination teams of the Certification Board to ensure optimal coordination of technical papers, specialty memos, and essays. Valerie should be contacted for any questions or issues related to the professional and expertise certification process.