William A. Clark
Kaplan Instructor

William A. "Bill" Clark has been a real estate instructor since 1982, and was state certified in 2004. He has been a licensed real estate agent since 1972. He is a member of GFWAR, TAR & NAR, a Real Estate Broker, and Member of the Society of Commercial Brokers. Bill was an appraiser for 10 years. He has taught Consultant Tax Deferred Exchanging. Bill served as President of North Texas Exchangers for 2 terms. Bill has been inspecting properties since prior to licensing law, as a Professional Real Estate Inspector since since1986. He is a member of the Texas Association of Real Estate Inspectors, and served as Chairman Elect for the Local North Texas Association of Real Estate Inspectors. Bill is a Texas Insurance Adjuster & VIP Inspector, FHA HUD 203k Consultant, as well as a Texas Structural Pest Control Applicator, licensed since 1986.

Lionel J. Nowotny, PhD
Kaplan Instructor

Lionel ("The Train") is the Senior Inspector Instructor at the Leonard-Hawes, Kaplan Inspector School in Dallas, Texas. Lionel is a “Distinguished Graduate” of the U.S. Naval Academy, Annapolis, MD (1961) and earned a PhD in Engineering from the University of Texas in Austin (1971). He served as an officer in the U.S. Navy serving on Nuclear Submarines and in numerous engineering management assignments during his twenty-year military career. He is a Registered Professional Engineer, Licensed Real Estate Broker, Professional Inspector, Mortgage Broker, Real Estate Appraiser and a Property and Casualty Insurance Adjuster. In the past he has founded several corporations pursuing engineering and real estate related services. He developed the first operational “Business Incubator” in the City of Dallas and was a consultant to the Puerto Rican Government in economic development in the early 1990’s. He has been the president of the Texas Mini-Storage Association, Board Member for the North Dallas Chamber of Commerce and a national Trustee for the U.S. Naval Academy Alumni Association. His many credentials are a result of his love for learning and teaching coupled with a belief that he lives by: “The more knowledge one has about the overall industry, the more effective he/she will be.” Lionel has developed a highly effective “Exam Preparation” course for Inspector Licensee Candidates as well a system by which prospective, current and past inspector students can communicate their ideas, questions and concerns.

Paul W. Roebuck, Sr.
Kaplan Instructor

Paul is the Founder, President and CEO of TexaSpec Inspections. He is a fourth generation builder and has personally conducted over ten-thousand inspections on all types of properties. Paul is the Founding Chairman of the Greater Houston Chapter of TAREI. Paul holds Certifications, Licenses and/or Registration in the following: Certified International Code Council (ICC) Residential Combination Code Inspector; Licensed State of Texas Real Estate Commission Professional Real Estate Inspector; Certified Home Inspector and Registered Home Inspector with The Housing Inspection Foundation (HIF); with The National Housing Inspection Foundation (HIF); Certified National Private On-Site Waster Water Inspector (NOWRA) Certified Texas Private On-Site Waster Water Inspector (TOWA); Certified Professional Inspector Texas Association of Real Estate Inspectors (TAREI); Certified Professional Inspector Member with the American Society of Home Inspectors (ASHI); Certified Professional Inspector Member with the National Association of Certified Home Inspectors (NACHI); T.R.E.C. Instructor of Core courses for Realtors and Inspectors; and T.R.E.C. Instructor of MCE elective courses. Paul is an active member in the following organizations: Houston Association of Realtors (HAR); Texas Association of Realtors (TAR); National Association of Realtors (NAR); Texas Association of Real Estate Inspectors (TAREI); Chairman of Greater Houston Chapter of TAREI (GHCT); American Society of Home Inspectors (ASHI); National Association of Certified Home Inspectors (NACHI); Housing Inspection Foundation (HIF); International Code Council (ICC); National On-Site Waste Water Transportation (NAWT); National On-Site Waste Water Association (NOWRA); Texas On-Site Waste Water Association. (TOWA); and Instructor at Kaplan – Leonard-Hawes.

Stephen Ruback
Kaplan Instructor

Stephen is a licensed Professional Inspector; providing Real Estate inspection services in the Greater Houston area since 2002 and has been an instructor with Leonard–Hawes since 2003. He is approved by the Texas Real Estate Commission to teach home inspection topics to inspectors and Realtors, as well as qualified to teach legal and ethics classes for Realtors. His Bachelor of Science degree from Trinity University includes all three disciplines of mechanical, chemical and electrical engineering. Stephen’s work history includes more than 20 years experience in many phases of microelectronics engineering from process and product design, operation and control to design and fabrication of entire production facilities. He has owned 8 different houses , one of which he designed and built from the ground up. For more than more than 15 years he has provided repair and maintenance contracting services in the Houston area, specializing in creative solutions for difficult problems. His professional associations include membership in Texas Association of Real Estate Inspectors, including the Greater Houston Chapter, and Houston Association of Realtors. Author of many technical articles, as well as several books, he is currently a contributing editor for Real Estate Executive Magazine both local and national editions. His primary objective is to help make this a better place and empower others to do the same through better information, communication and understanding.