Meet Our Team


Don Vrana
Don Vrana is a well-known researcher on air quality and toxic mold related issues and is the founder of Indoor Air Quality Management (IAQM). Mr. Vrana brings unparalleled expertise to the IAQM family of companies. He has first-hand knowledge of every phase of the industry and has consulted with over 17,000 air quality professionals, medical researchers, legal professionals, insurance specialists and mold-exposed individuals. Added to this are 21years of entrepreneurial experience in business development, ranging from inquiry to product delivery. His proven skills, knowledge base and broad accessibility to leading experts in the field make Mr. Vrana uniquely qualified to manage this organization. His duties include client litigation avoidance, business development, evaluation, validation and implementation of new technologies, personnel and client relations.

Neil B. Hall, Ph.D., P.E., A.I.A.
Protocol Management and Development of Standard Operating Procedures
Dr. Hall has over thirty years of technical, academic and supervisory experience in planning, design, construction, building pathology, facilities management, disaster relief, contract administration and international development. He is professionally registered and has court qualified in the fields of civil engineering, architecture and landscape architecture. His specialties include project management, investigation of structural failures, construction delay claims, fires and explosions, life safety and building code compliance, negligent errors and omissions, slip and fall cases, roof surveys, vibration analysis, concrete deterioration, indoor air quality, mold remediation, EIFS, building envelope evaluations and environmental risk assessments. Neil is a member of the Structural Engineering Institute’s Standards Committee for the Structural Condition Assessment and Rehabilitation of Existing Buildings. The committee is responsible for the publication of Guideline for Structural Condition Assessment of Existing Buildings (SEI/ASCE 11) and Guideline for Condition Assessment of the Building Envelope (SEI/ASCE 30). He served as a member of the FEMA Building Performance Appraisal Team (BPAT) for Hurricane Georges. Neil also is a member of the American Institute of Architects Building Performance Committee and the Roof Consultants Institute Research Committee on Mold. Prior to joining RTC, Neil worked as a consulting engineer in private practice, with Engineering Systems Incorporated and Engineering and Fire Investigations (formerly CH&A Corporation) and as a Visiting Associate Professor at the University of Iowa. Neil is professionally registered as a Civil Engineer, Architect and Landscape Architect in various states and with the Texas Department of Insurance as a wind engineering inspector. He is an AICP Certified Planner, Certified Microbial Remediation Supervisor, Certified Fire Investigator and Certified Fallout Shelter Analysis. He has completed a LSU Department of Agriculture program as a Master Termite Technician. Neil served as a commissioned officer in both the Army Corps of Engineers (1972-1976) and Navy Civil Engineering Corps (1976-1992). He led disaster assistance relief teams in the Philippines, Taiwan, Honduras and Micronesia. Neil has hands-on experience with hurricane-resistant construction and design for nuclear blast and shock. He has prepared building damage assessments, cost estimates and maintenance budgets for the Department of State and Department of Defense. At RTC, Neil teaches courses in Commercial Drying, Mold Remediation and Construction Defects. He also has taught design and construction at the University of Iowa, University of Maryland, Tulane University, Northwood University, Central Texas College, Troy State University, Concordia University of Wisconsin, the University of Phoenix and the University of Texas (Arlington) Building Professional Institute.

Active Affiliations

  • American Institute of Architects
  • American Society of Civil Engineers
  • Construction Specifications Institute
  • Roof Consultants Institute
  • Environmental Assessment Association
  • United Architects of the Philippines (first foreign corresponding member)
  • Association of Specialists in Cleaning and Restoration
  • Standard Building Code Congress International (SBCCI)
  • Exterior Design Institute
  • Florida Windstorm Association
  • American Indoor Air Quality Council

Katie Vrana
Office Manager, IAQM Job Supervisor, Texas Licensed Mold Remediation Contractor MRC1362
Mrs. Vrana has been with IAQM since it’s founding. Prior to working at IAQM, she worked for 10 years in the graphic arts industry. She started out as a typesetter and worked her way up to Pre-press Manager of a newly formed department, while managing 10 employees she was instrumental in helping the department attain sales of over $1,000,000 per month. Katie served as the point of contact for customers and vendors while overseeing all production. Her duties with IAQM include preparing estimates, corporate travel and coordinating job schedules and is one of IAQM’s OSHA certified personal protective equipment (PPE) compliance officers and is a company supervisor. As the trainer, she ensures each IAQM team member understands PPE, performs fit test and the proper use of their respirators.

Jeremy Elliott
IAQM Supervisor, Texas Licensed Mold Remediation Contractor MRC1058
Prior to joining IAQM, Mr. Elliott spent seven (7) years with Security Vault Works of Dallas, Texas. At Security Vault Works, he was responsible for developing the protocols for the 4-man crews that were responsible for installing bank vaults and the installation of the vacuum tubing at the banks’ drive through. He also served as the Inventory and Warehouse Manager. Within our organization Mr. Elliott has proven his ability to train our crew members while working under the guidance of Mr. Vrana. He then began working for IAQM as a supervisor while getting hands-on experience in the specialized field of mold remediation. Mr. Elliott became a Certified Mold Remediator and a Certified Mold Technician. He then began working as project manager on various mold remediation projects all while training upcoming CMR’s, supervisors, and workers. Mr. Elliott was assigned by the President and CEO of IAQM to construct the industry’s first mobile contents decontamination unit. The tractor trailer (18 wheeler) will decontaminate items like computers, electronics and other high-priced, sensitive items that may not be physically damaged can be restored quickly and effectively. Through his and the Company’s research and development, he followed out the assignment and successfully constructed a unit that is capable of decontaminating items with mold contamination, smoke damage, and chemical contamination, with many other possibilities in development. The decontamination unit is active in the field where Mr. Elliott is currently the decontamination technician and provides technical assistance.

Gerardo Orozco
IAQM Crew Leader, Texas Licensed Mold Remediation Worker MRW6679
Gerardo Orozco has worked for IAQM since 2007 as a mold remediation worker. He is currently a remediation crew leader. He attends job site walks, assists with remediation and decontamination work plans, inventory management, and supervises crews. His experience is invaluable on IAQM projects.

Wille Grubaugh
IAQM VetClean Co-Founder, Texas Licensed Mold Remediation Worker MRW11046
Prior to joining the IAQM family, Willie spent 8 years working with Preferred Warranties, a KAR Auction Services company. Willie has 10 years with the U.S. Army. At the same time, Willie enjoyed a successful life of pro rodeo from 1988 to his retirement in 1998 with various associations to include the Professional Bull Riders, Bull Riders Only, Professional Cowboys Association, and International Pro Rodeo Association.
Willie Grubaugh joined IAQM in November 2014 as co-founder of IAQM VetClean and to build out the new dry ice blasting division. Willie is a dedicated family man of four children and his wife of 17 years. Willie serves in the community as mentor to high school students, VP of the local FFA parent organization since March 2012, and other various community volunteer assignments.

Bobby Perry
IAQM Project Superintendent, Texas Licensed Mold Remediation Worker MRW11043
Bobby joined the IAQM family in 2014 to oversee personnel, scheduling, and client liaison for our large projects. His military leadership experience ensures that complex projects are on time and run with precision.

He is a 15 year Veteran of the United States Military (Army) where he served with distinction and pride. Prior to joining our company, Bobby founded Bootcamp Style Fitness. He is a certified trainer and fitness instructor. Bobby resides locally with his wife of 15 years and 2 daughters. He is dedicated to his church, Trinity Friendship Baptist Church, in Wylie, Texas where he has served as deacon for over 6 years.

Tommy Bosher
Tommy Bosher is our HVAC specialist. He is a second-generation, licensed HVAC technician. At age 16 he started working on HVAC systems for the Dallas Independent School District with his father. Since graduating from high school and technical training, Tommy has worked in all phases of the HVAC industry from fabrication to installation in commercial and residential properties. Tommy brings 22 years of experience in the HVAC field and takes pride in being an innovator in the indoor air quality industry.

David Gilbert, MRS, ROS, MRT
Building Envelope, Mold Certified Specialist, Certified Mold Sampling Specialist
David Gilbert provides IAQ investigations, building forensics and construction defect support. Mr. Gilbert combines more than 15 years experience in architecture, engineering, construction, business consulting and IAQ/microbial investigations and decontamination/remediation protocol design. Mr. Gilbert’s education consists of being a formally trained architect with a Bachelor of Science degree from the University of Wisconsin-Milwaukee School of Architecture and Urban Planning with a minor in Chemistry; educationally certified by Global Environmental Resources and Training, Inc., the State of Florida’s only accredited and recognized Environmental Training Organization; and Inspection Training Associates; the only California Department of Education accredited inspection school; for providing Toxic Mold Investigations, Designing Remediation Protocols, Remediation Oversight, and providing Acceptance Testing. This unique combination allows Mr. Gilbert to provide a thorough and well organized approach to the concerns facing the industry. Mr. Gilbert’s extensive microbial investigation experience has made him a frequent speaker and published author providing educational programs for the Orange County Association of Realtors, Laguna Board of Realtors, Coldwell Banker, Prudential, Century 21, RE/MAX, (among others.) He currently carries the qualifications of Certified Microbial Remediation Oversight Specialist, Certified Microbial Remediation Specialist, and Microbial Remediation Technician. Mr. Gilbert is a Charter Member, sits on the Board of Directors of the International Association of Mold Management.

During Mr. Gilbert’s days of building an outstanding reputation as a Designer, General Contractor and Construction Manager, his projects were awarded NARI’s prestigious COTYA, Contractor of the Year Award, National Award (once), Regional (four times) and State (three times). His peers routinely recognize him as one of the best.

Professional Affiliations Include:

  • AmIAQ – American Indoor Air Quality Council, Member
  • IAMM – International Association of Mold Management, founding member, Board of Directors
  • OCAR – Orange County Association of Realtors, affiliate member
  • Laguna Board of Realtors, affiliate member


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We offer a wide array of solutions designed to restore contaminated homes to a safe and healthy environment.