It is the objective of the ACOE to maintain the association as an organization of chief engineers, or the industrial equivalent thereof, who have a special interest in the practices of plant engineering. The organizational activity, within the scope of this specialized field of interest, shall be dedicated to the improvement of service to its members, their employing companies, the engineering profession and the community. Association activities shall be directed to accomplish the specific objectives of education, the exchange of information, plant tours and service on governmental licensing boards and industrial code boards.

It is an objective of the association to provide, through an apprenticeship program, a better qualified stationary engineer and to promote the welfare and raise the standard of engineers by instituting educational programs within our organization.

The association emphasizes supervisory concepts and helps the engineer better direct and motivate his staff and interface effectively with other areas of management.

The association strives to enhance the prestige and professional status of stationary engineers and, when appropriate, to serve as a “voice of the stationary engineer.”

It is a goal of this association to maintain an effective level of membership participation.




Code of Ethics

No disclosure of information by a member of the ACOE shall be used for his or her employer’s disadvantage.

ACOE membership shall never be used as a tool of salesmanship toward other members or their employers.

No member of the ACOE shall align himself with any vendor, contractor or supplier for the express purpose of personal gain.

No member of the ACOE shall ever knowingly say or do anything which may jeopardize the position of another member with his or her employer.

Members of the ACOE are expected to conduct themselves in a professional manner in the normal routine of their duties so as to enhance the dignity of their profession and their affiliation with the Association.

Any member that is found to have acted in an unethical manner, by the ethics committee, and is voted on as such, by a quorum of, and at a general meeting will result in the individual’s dues not being accepted for the following year, nor will that person be considered for future membership, unless otherwise stated at the time voting takes place.

Board Of Directors


Felix Rodriguez, Assistant Director of Operations Simon Property Group

ACOE President

Work Phone: 713-966-3535
Cell Phone: 832-517-0406
Email: frodriguez@simon.com

Felix began his career as an apprentice at The Galleria where he went on to earn his Stationary Engineer License while working there. Shortly after, he left the retail industry to pursue opportunities in property management, gaining valuable insight into Class A office building operations. This experience opened the door for him to take a position as Chief Engineer with Cameron Management.

 Always ready to evolve and grow in his profession, Felix decided to take the role of Project Manager and Business Development Manager with a local contracting company where he oversaw the company's tenant build-outs at The Galleria. The return to the bustling environment of The Galleria confirmed to Felix that he belonged in the retail industry and served as the catalyst to propel him to his current position as Assistant Director of Operations at The Galleria. 

Since 2013, Felix has held a strong position on a team that manages the day to day operations of The Galleria, a Level VI mall of 12 million square feet accounted by four major anchors, three high-rise office buildings, and two high-rise hotels. The property is the largest in Texas and the fourth largest in the United States.

As of 2022, Simon Property Groups Regional Directors of Operations, Tenant Coordination, and General Managers recognized Felix as Best of the Best Peer Choice in the Southwest Region. He is always willing to help no matter where and when he is needed and has a wonderful “CAN DO”  attitude and is a strong training mentor for others in the company.

Here, he focuses on maintaining a safe environment by identifying and eliminating safety hazards to staff, tenants, and customers, while over-seeing tenant build-outs and assessing emergency situations at the center.

Felix, a native Houstonian, who socially connects with everyone he meets, has formed strong relationships with his vast network of associates in the Construction and Engineering Building Property Management Industry throughout the years–– not only in Houston but Nationwide. 

Hector Rios Jr, Chief Engineer at Transwestern

Vice President

Cell Phone: 281-960-3528
Email: hector.rios@transwestern.com

Hector Rios Jr. is the Chief Engineer at Transwestern. Hector joined Transwestern in 2018 as a Lead Engineer at Waterway 1 & 2 in The Woodlands. As a result of his leadership, knowledge and dedication, he quickly promoted to Assistant Chief Engineer and shortly after to Chief Engineer at the new Leed Platinum Bank of America Tower building in Downtown Houston.

Hector started his career in the Operating Engineering Field in 2007 when he took an apprenticeship with PMRG. After leaving PMRG in 2012, he transferred to the Bank of America Center, which is now owned and operated by M-M Properties. During his time at the Bank of America Center, he worked as an Operator and gained valuable insight into building operations. He also worked at Hines as an Operating Engineer before making his leadership move to Transwestern. As a leader, Hector has gained the trust and respect of his team and continues to grow in knowledge.

Hector always seeks opportunities to expand his knowledge in his career and has obtained the following credentials, a Third Grade Stationary Engineering License, Maintenance Electrician License and an EPA Universal Certificate.

Hector, a native Houstonian, is the proud father of a ten-year-old son and a seven-year-old daughter. In his spare time, he enjoys going fishing and playing soccer.

Adam Nunez, Assistant Chief Engineer at Moody Rambin


Cell Phone: 832-533-6610

Adam Nunez is the Assistant Chief Engineer at Moody Rambin, where he currently oversees approximately 2 million square feet of office and retail space. As Assistant Chief Engineer, Nunez leads a team of engineers and assists with operations consisting of CAPEX projects and buildout tenant spaces. He also helps operate the R&M budget and planning process.


Adam has six years of experience in Building Engineering, and he continuously strives to advance in his field by learning and acquiring new skills. Adam holds a CFC Universal License and an Apprentice Electrical License. He has certifications in High and Mid-Rise Atrium Fire Prevention, SMT and has training in HCC Air Conditioning I and II. He is currently working on his Maintenance License and SMA Certification.


In his time away from work, Adam enjoys playing basketball, working around his house and reading technical books about commercial building applications.

Homer Nunez, Chief Engineer at Hilcorp Ventures


Cell Phone: 713-315-7417
Email: hnunez@travis1111.com

Homer Nunez Is the Chief Engineer for Hilcorp Ventures at 111 Travis Hilcorp
Energy Tower. Homer joined Hilcorp Ventures in 2021 after serving a 10-year
tenure at the BP Westlake Campus with CBRE and JLL.

Homer started his career in Property Management when he joined C&W of Texas
in 2004 for an Oil & Gas portfolio and a Downtown high rise. After leaving
C&W in 2009 as a Building Engineer, he transitioned to the West side of
Houston with Stream Realty, operating a diverse portfolio of mixed High
Rise, Low Rise, Retail, and Industrial properties. In 2011 Homer Joined CBRE
operating the BP Westlake Campus, and held multiple positions as Central
Plant operator, Lead Engineer, Data Center operations manager and Sr.
Operations Manager.

Homer is always seeking opportunities to expand his knowledge in his career
and has obtained the following credentials, a 2nd Grade Stationary
Engineering License, Safety Trained Supervisor, U.S Department of Energy
Data Center Energy Practitioner and BOMI SMA/SMT designations.
In his time away from work, Homer enjoys spending his time with his Wife and
3 Boys, Coaching youth basketball, Hunting and Fishing


Eric Farias, Chief Engineer at JLL

Position #1

Work Phone: 832-249-5222
Email: eric.farias@jll.com 

Eric Farias is the Chief Engineer at Pennzoil Place with JLL.


After graduating from Universal Technical Institute in 2002 with an HVAC Certification, Eric began his career as an Apprentice Plant Operator at The Hyatt Regency Downtown where he went on to earn his 3rd Grade Stationary Engineer License. In 2006, he left the Hospitality industry to join PM Realty Group as an Operations Engineer, where he gained valuable insight into office building operations and, after 11 months Eric was promoted, to Assistant Chief Engineer for the Chase Center building.

Since 2010, Eric has been with M-M Properties, where he is currently the Assistant Chief Engineer. His involvement includes assisting Property Management with the company's tenant buildouts, capitol construction projects along with running a staff to maintain TC Energy Centers 1.5 million sqft. property.

 Eric’s qualifications include Certified Air Conditioning & Refrigeration Technician, 2nd Grade COH Stationary Engineers License, Maintenance Electricians License and EPA Universal Certification.

Outside of work, Eric loves taking family vacations and being involved with his kid’s extracurricular activities.

Glen Llamas, Senior Chief Engineer for 1550 on the Green

Position #2

Work Phone: 713-816-5017
Email: Glen.Llamas@jll.com

Glen Llamas started his building engineer career in 1992 in the Hospitality Industry. He worked as an apprentice engineer at the Houstonian Hotel, Club & Spa. As he continued to learn the trade, he also attended trade school to acquire the necessary licensing and certifications. Glen successfully acquired the 1st Grade Stationary License, Electrical Maintenance License, EPA Universal License along with many other technical certifications. Fascinated by the trade, he also worked part-time for the Holiday Inn and Embassy Suites. He went on to become the Assistant Chief Engineer for the Hilton Westchase and Hilton Southwest, where he assisted the Chief Engineer manage both properties.

In 1999, he was given an opportunity to become the Chief engineer for the Embassy Suites or work for Hines as a Building Engineer. Glen went to work for Hines and furthered his knowledge in the trade. He was successfully promoted to LEAD Engineer where he used his knowledge and experience to mentor his team. Within his career with Hines, he was promoted to Assistant Chief Engineer and worked at One Shell, Two Shell, GreensPoint Campus and Williams Tower.

In 2018, Glen was given the opportunity to work with Transwestern as the Chief Engineer. He would work close with ownership/ developer during the construction of Bank of America Tower. After completion, he was involved with the start-up process including the development of the engineering guidelines. He assisted ownership with successfully receiving several awards for Bank of America Tower.

In 2023, Glen went to become the Senior Chief Engineer with JLL. He continued the strong relationship with ownership/ developer to successfully complete the construction of 1550 on the Green. He continued using his experience to successfully start-up the new building. Glen continues his focus on furthering his career while nurturing a strong relationship with his team and clients.

Outside of work, Glen loves to take family vacations. In addition, he is an avid cyclist who participates in century cycling tours.

It is well for a man to respect his own vocation, whatever it is and to think himself bound to uphold it and claim for it the respect it deserves.

by Charles Dickens


President’s Roster

  1. 1952    R. E. Humphrey
  2. 1953    F. D. Garvin
  3. 1954    O. W. Rosin
  4. 1955    C. V. Parker
  5. 1956    V. B. Wampler
  6. 1957    R. F. Dowling
  7. 1958    D. E. Eames
  8. 1959    A. R. Plowman
  9. 1960    H. U. Matthew, Jr.
  10. 1961    H. B. Dodge
  11. 1962    S. A. Winn
  12. 1963    J. V. Stephens
  13. 1964    Joe Sadler
  14. 1965    R. E. Brown
  15. 1966    J. H. Rider
  16. 1967    H. L. Harrell
  17. 1968    Walter Linderman
  18. 1969    Jerry Trncak
  19. 1970    J. B. Deglandon
  20. 1971    James Lewis
  21. 1972    Ben Buckner
  22. 1973    Bill Gray
  23. 1974    Al Barstch
  24. 1975    J. L. Kelley
  25. 1976    John Thomason
  26. 1977    Jacki Meyers
  27. 1978    John Woods
  28. 1979    John Little
  29. 1980    Tony Morille
  30. 1981    Ronald T. Peters
  31. 1982    Donald Chrisner
  32. 1983    C. J. Portella
  33. 1984    Albert W. Sallee
  34. 1985    Don McCartney
  35. 1986    Marvin E. Henry
  36. 1987    Thomas Easley
  37. 1988    James Thornton
  38. 1989    Roy A. Paul
  39. 1990    Richard B. Dudczak
  40. 1991    T. Soule / G. Perez
  41. 1992    Scott Van Dusen
  42. 1993    Ron Hutchinson
  43. 1994    Edmond Yargo
  44. 1995    Dave Teehee
  45. 1996    Joe Mathis
  46. 1997    Ronald T. Peters
  47. 1998    Rick Gates
  48. 1999    Melvin T. Craddock
  49. 2000    John T. Bays
  50. 2001    Tim Nall
  51. 2002    Richard Burrows
  52. 2003    David Pommerencke
  53. 2004    Lloyd Wilkinson
  54. 2005    Steven Lloyd
  55. 2006    Lloyd Blackstock
  56. 2007    Danny Rodriguez
  57. 2008    Jack Hollis
  58. 2009    Dennis Wingo
  59. 2010    Danny Allsup
  60. 2011    Tommy Wood
  61. 2012    Danny Rodriguez
  62. 2013    Danny Rodriguez
  63. 2014    Tom Wilson
  64. 2015    Tom Wilson
  65. 2016     Rudy Matamoros
  66. 2017     Rudy Matamoros
  67. 2018     Jose Hernandez
  68. 2019     Jose Hernandez
  69. 2020     Jericho Whitener
  70. 2021     Jericho Whitener
  71. 2022     Jose Hernandez
  72. 2023     Jose Hernandez
  73. 2024     Felix Rodriguez 
  74. 2025     Felix Rodriguez 

ACOE Founders

  1. A. A. Reinhart
  2. A. B. Pitts
  3. Alton Elliot
  4. C. V. Parker
  5. D. L. Taylor
  6. F. D. Garvin
  7. F. W. Berma
  8. Foy Gates
  9. H. A. Reeves
  10. H. T. Pearson
  11. Ira Deglandon
  12. K. G. Warfield
  13. L. H. McCoy
  14. L. O. Sudduth
  15. O. W. Rosin
  16. R. A. Amal
  17. R. B. McFarland
  18. R. D. Williams
  19. R. D. Withrow
  20. R. E. Humphrey
  21. R. P. Massey
  22. R. W. Means
  23. V. P. Wampler
  24. W. P. Giles

Thank you to all that served.

Our sincere gratitude to the pioneers who foresaw the need for this organization.