OFFICERS
HERB L. SMITH
President
Chief Executive Officer
Southeast Office
herbs@phahou.com
| Education: | B.S. from University of West Florida Associate Degree in Maintenance Technology, Pensacola Junior College |
| Professional Associations: | National Association of Elevator Safety
Authorities Qualified Elevator Inspector NAESA #619 Certified Elevator Inspector #113 – State of Florida Certified Elevator Inspector #372 – State of Alabama Texas Department of License & Regulation Inspector #363 Florida Certificate of Competency #CC324 |
| Experience: | Dover Elevator Company - 11 years Field Engineer; Modernization Sales New Equipment and Modernization Sales Representative District Sales Manager – Houston, Texas |
Herb resigned from Dover Elevator Company in September of 1989 and joined the Houston Office of Persohn/Hahn Associates, Inc., as an Associate. In 1992, he was made a Partner. Herb assumed the position of Vice President in May, 1994. In January of 2000, Herb became the President and Chief Operating Officer. In January of 2009 Herb became CEO.
JOHN P. GILBERT
Vice President
Houston Office
jgilbert@phahou.com
| Education: | B.S. in Electrical Engineering University of Missouri, Rolla |
| Professional Associations: | National Association of Elevator Safety
Authorities Qualified Elevator Inspector NAESA #2248 Texas Department of License & Regulation Inspector #390 |
| Experience: | Westinghouse/Schindler Elevator Company - 26
years Service Engineer Service and New Sales Regional Modernization Manager Southwest Region – Houston, Texas |
John resigned from Schindler Elevator Company in January of 1998, and joined Persohn/Hahn Associates, Inc., in March, 1998, as an Associate. John was promoted to Vice President in 2005
MARK E. MENDENHALL
Vice President
Austin/San Antonio Office
mem@phahou.com
| Education: |
B.S. in Business Administration, University of Arkansas, Fayetteville, Arkansas |
| Professional Associations: | National Association of Elevator Safety
Authorities Qualified Elevator Inspector NAESA #2245 Texas Department of License & Regulation Inspector #393 |
| Experience: | Dover Elevator Company - 19 years Service/Modernization/New Equipment Sales Regional Sales Manager – Dallas, Texas Branch Manager – San Antonio, Texas Encore Development Company Leasing Director – Austin Centre |
Mark resigned from Dover Elevator Company in January of 2000 and immediately joined Persohn/Hahn Associates, Inc., as an Associate. Mark was made Vice President of the company in December 2007.
SENIOR CONSULTANT
GENE E. STIFFLER
Senior Consultant
Houston Office
gstiffler@phahou.com
| Education: | Baltimore College of Commerce, MD – National
Elevator Industry Educational Program – Dover Management Development |
| Professional Associations: | National Association of Elevator Safety
Authorities Qualified Elevator Inspector NAESA #1860 Texas Department of License & Regulation Inspector #20030 |
| Experience: | Stiffler & Associates, inc. - 5years Vertical Transportation Consultant for modernization, maintenance audits, expert witness, design. Schindler Elevator Corporation – 4 years General Manager Modernization North America Dover Corporation- 11 years Director of Modernizations Services Dover Elevator Systems District Service Manager |
Gene joined Persohn/Hahn Associates Inc., as a Senior Consultant in January 2005
ASSOCIATES
GEORGE HERTENSTEINER
Associate
Oklahoma Office
georgeh@phahou.com
Education:
B.S. in Business Management, Drexel University,
Philadelphia, PA – M.B.A. Masters in Business
Administration, Drexel University, Philadelphia, PA
Experience:
Otis Elevator Company 38 years
Service, Modernization and New Equipment Sales
Branch Office Manager
Regional Sales Coordinator
Manager of District Operations – Pittsburgh, PA
Manager of Modernization Marketing – Farmington, CT
Manager of Non-Otis Operations – Farmington, CT
Regional Sales Manager – South Central Region
George retired from Otis Elevator Company in December of 2007, and joined
Persohn/
Hahn Associates, Inc., in October, 2008 as an Associate.
DON LITTREL
Associate
Tennessee Office
dlitpha@bellsouth.net
Education:
B.A. in Business Administration, Miami University, Oxford, Ohio
Experience:
Otis Elevator Company 35 years
Service and New Equipment Sales
Branch Office Manager
Regional Sales Coordinator
District Operations Manager – Birmingham, Alabama
Don retired from Otis Elevator Company in September, 1992, and joined Persohn/Hahn
Associates, Inc., in March, 1994, as an Associate.
| MILTON L. DRAHEM | |
| Associate | |
| Professional Associations: |
National Association of Elevator Safety Authorities Qualified Elevator
Inspector (NAESA #1528). Texas Department of License & Regulation Inspector #328 |
| Experience: |
Otis Elevator Company - 38 years Supervisor of field operations Manager of Regional Field Operations |
| Milton joined Persohn/Hahn Associates, Inc., as a Field Inspector in 1998 | |
| WILLIAM G. GAMMON | |
| Associate | |
| Education: | B.S. in Electrical Engineering, Christian Brothers University, Memphis. |
| Professional Associations: |
National Association of Elevator Safety Authorities Qualified Elevator
Inspector (NAESA #802). Texas Department of License and Regulation Inspector # 200 |
| Experience: |
Dover Elevator Company – 27 years District Manager for the Houston office Regional Manager of the West Coast |
| Bill joined Persohn/Hahn Associates, Inc., as a Field Inspector in November of 1991 | |
| ROBERT L. JOHNSON | |
|
Associate |
|
| Experience: |
Otis Elevator Company – 35 years Manager of Regional Service Field Operation in Chicago |
| Robert joined Persohn/Hahn Associates, Inc., as a Field Inspector in 1988. | |
|
RON BOTTS |
|
| Associate | |
| Professional Associations: |
National Association of Elevator Safety Authorities Qualified Elevator Inspector (NAESA #1226) Texas Department of License & Regulation Inspector #20009 |
| Experience: |
Dover Elevator Company – 35 years Service Manager District Manager for the Houston office Schindler Elevator Company – 10 years Service Manager Modernizations sales and support |
| Ron joined Persohn/Hahn Associates, Inc., as an Associate in September 2006 | |