About us

Apartment Data Services (ApartmentData.com) is a leading marketing and information supplier to the multifamily industry. ApartmentData.com collects and packages competitive real-time information that enables multifamily residential property managers to maximize revenues and occupancy; renters and apartment locators to find the ideal rental properties; developers to locate, plan, and design optimized floor plans for new construction and renovations; investors to make better decisions; and vendors to identify the key decision makers.


Our Mission, Vision, and Values


Meet The Team
Rudy Mui, Chief Executive Officer

Rudy joined Apartment Data Services in September 2014 as Chief Executive Officer. Prior to Apartment Data, Rudy was an Executive Partner with Salt Creek Capital, a private equity firm based in Menlo Park, CA; and has served as a senior executive at a number of technology firms in Silicon Valley, California. He has a BS, Computer Engineering and BA, Economics from the University of Michigan; and a MBA and MS Electrical Engineering from Santa Clara University.

John Severance, Founder and Chief Technical Officer

John founded Apartment Data Services in June 1986 and has served as the Chief Technical Officer since the company’s inception and was the Chief Executive until Rudy joined the company in September 2014. John was one of the early pioneers in the nascent field of market intelligence and computerized apartment locating tools for the multifamily industry. Prior to starting Apartment Data, John was a Research Engineer with Exxon Production Research in Houston, Texas. John has a B.S. in Electrical Engineering with Honors from Texas A & M University.


Bruce McClenny, President

Bruce joined Apartment Data Services in 1995 as Vice President of Sales and currently serves as Company President. Bruce is the public face of the company and is a well known and highly sought after speaker/expert by property management firms, owners, investors and brokers. He is frequently quoted in industry periodicals and newspapers and is a past member of the Houston Apartment Association’s Board of Directors and past President of HAA’s Product Service Council. Prior to joining Apartment Data Services, Bruce was the Regional Sales Manager for Network Multi-Family Security, Inc. Bruce has a BA in pre-law and accounting from Auburn University.

David Koenig, Vice President of Sales

David Koenig joined Apartment Data Services, in 2013 as the Vice President of Sales.  David has over 15 years in the multifamily industry as executive vice president and general manager for a state wide multifamily general contractor and vice president of sales for a national multifamily general contractor. David has been an active participant in local, state and national apartment association events and is currently a member of the HAA Product Service Council. He has a BA in Communications from Texas A&M University and an MBA from the University of Houston.