Our Team
Our Principals

Ross Aleman, P.E.
President and the Senior Mechanical Engineer
Years in Engineering
Years with AYS
Associates of Applied Science, CAD and Design- Associates Degree – ITT Technical Institute, Austin
Over the course of his career, Ross has designed mechanical and hydronic systems for commercial office buildings, retail, multi-family, healthcare facilities, hospitality, multi-use, assisted living facilities, data centers, restaurants and specialty facilities. Specialized systems include: bio-hazard exhaust and filtration systems, indoor firing ranges, laboratory HVAC systems, engineered smoke removal systems, energy recovery systems and conservation and isolation systems.
In his spare time, Ross enjoys BBQing and has been competing in local BBQ competitions for several years. His Team name is Low Delta T, which emphasizes the low and slow techniques necessary for true Texas BBQ. While enjoying his barbecue hobby, he often includes family, friends, neighbors. The aroma of his barbecue will entice even strangers!
Ross is very family oriented. He loves to spend time with his wife, two daughters, and two sons.

Samuel Lusk
Vice President and Senior Plumbing Designer
Years in Engineering
Years with AYS
Over the course of his career he has designed systems for commercial office buildings, assisted living facilities, restaurants, retail, healthcare, laboratory facilities and multi-housing developments. He is very knowledgeable in all aspects of plumbing systems that include domestic water and waste systems, storm drainage systems, process piping systems (including RO/DI water), high purity water systems, laboratory gas and chemical systems, gas piping, vacuum systems, chemical waste and vent, compressed air, medical gases, specialty fluid handling systems, fire protection systems and backflow prevention.

Paul Reyes, P.E
Mechanical Engineer
Years in Engineering
Years with AYS
Mechanical Engineering – B.S. University of Texas at San Antonio
Round Rock Office

Christina Aleman
Electrical Designer
Years in Engineering
Years with AYS
Austin Community College – Photography
Christina Aleman is an Electrical Designer with excellent communication skills and a knack for understanding the goals of the client and project. She has a Team oriented work ethic that results in optimum coordination, which is a key factor in design.
In her spare time, Christina is a Zumba fitness instructor at one of Austin’s large fitness gyms. She dedicates many hours on her music programming and choreography and her classes continue to grow as a result. Christina is especially close to her family both near and far. She often spends time with her nieces and nephews now that they are all potty trained and will watch scary movies with her. By the way – yes, Christina is Ross’s younger sister.
Austin, TX. She also lived in Vermont for a portion of her childhood.

Edgar Tovar
Plumbing Designer
Years in Engineering
Years with AYS
Associates of Applied Science at ITT Technical Institute in Austin, TX
Bachelor’s in Construction Management at ITT Technical Institute in Austin, TX
Edgar Tovar is a Plumbing Designer with strong committed and dedicated work ethic, which yield excellent design results.
In his spare time, he enjoys family barbeques, the outdoors and playing defense for two Austin Futbol Leagues. Edgar may be quiet and concentrated at the office, but his personality comes to life at social events after 5pm!
Guanajuato, Mexico. Since 1999, he moved straight to Central Texas and has dug his roots deep into the heart of Texas.

Kim Aleman
Office Administrator
Years in Engineering
Years with AYS
Kim originated in this business as a designer early in her career and now is office administrator. This has proven helpful in aligning financials with design schedules.

Michael Franco
Mechanical Designer
Years in Engineering
Years with AYS

Rudy Guerrero
Mechanical Designer
Years in Engineering
Years with AYS

Ronnie Williams
Construction Manager
Years in Engineering
Years with AYS

Aaron Dennington
Senior Electrical Engineer

Timely Support

Innovative Ideas

Advanced Technology

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If you are interested in working together, send us an inquiry and we will get back to you as soon as we can!