Our People
Mr. Daniel Poremba
DANIEL POREMBA has twenty-five years of hands-on real estate experience in connection with diverse commercial projects nationally. After obtaining his business degree from the University of Colorado and MBA and law degrees from UCLA, Dan began his career at The Prudential Realty Group. He later managed the Denver office and a $1 billion regional portfolio, including development projects and 4-million square feet of office space. His experience includes senior roles with: (1) ORIX Real Estate Equities, managing West Coast development operations; (2) LaSalle Partners, managing regional build-to-suit office projects; (3) ServiceStar Development Company, developing upscale neighborhood retail centers nationally; and, (4) Oakwood Homes, managing land acquisitions and sales, new community entitlements and joint ventures.
Dan founded Via Development Group (a predecessor to Development Advisors) in San Francisco in 1990 with later offices in Washington, DC and Denver. He has provided development and project management services nationally to long-term clients such as Wells Fargo Bank, Union Pacific Railroad, Hines Interests, the E-470 Public Highway Authority and JP Morgan Investment Management.
Mr. Thomas J. Mussallem
TOM MUSSALLEM has twenty-seven years of hands-on financial, accounting, operations, risk management and IT experience with twenty-three years primarily in the development of large-scale master planned communities and home building operations. Tom began his career in Public and Corporate Accounting after graduating with his Finance and Accounting degree and MBA degree from Northwest Missouri State University. Starting in 1985, Tom focused on the real estate industry and gained a variety of experiences. Most recently, Tom was the CFO for Oakwood Homes of Denver for 16 years. Oakwood is a medium-sized Colorado land developer and homebuilder. Previously, Tom has worked for: (1) MDC Holdings (parent company of Richmond American Homes) as Corporate Cash Manager, Division Controller and Director of Internal Audit; and, (2) Broe Companies as Controller of its property management operations.
At Oakwood, Tom managed operational financial strategy, created business plans and cash flow projection models, maintained the financial records for 30 operating entities, secured individual bank lines of credit, implemented and managed a $125 million bank syndicated credit facility, issued $100 million in general obligations bonds for metropolitan districts and played the key role in creating and organizing many of the metropolitan districts as well as a captive insurance company. Tom also served as the president of numerous metropolitan district boards. On behalf of Oakwood’s varies entities, Tom was directly involved in acquiring more than 5,800 acres of Colorado Front Range land and 6,500 platted and/or finished lots, financing the development of 7,800 lots and the construction of more than 9,000 new homes.. Tom is a member of the AICPA.
Ms. Jill Cleveland
JILL CLEVELAND has worked in Commercial Real Estate Development for thirteen years. Her focus has been in the Land Acquisitions and the Development Entitlement arenas.
Ms. Cleveland received her Bachelor of Science in City and Regional Planning from California Polytechnic State University, San Luis Obispo, in 1992 and completed two Planning internships with the cities of San Francisco and Brea, California, during that time. Ms. Cleveland began her career in 1992 for Land Use Planners and Consultants, in Santa Barbara, California, as an Associate Planner. In 1994, Ms. Cleveland began pursuing land acquisitions in the telecommunications industry with JM Consulting Group, permitting sites throughout California for GTE Mobilenet. Her career lead her to Colorado in 1996 to work for Sprint, then T-Mobile, ultimately managing the T-Mobile Development Team with overall responsibility for all leasing, zoning, and lobbying for new cell site locations. She obtained her Colorado Real Estate license in 1999.
Strategic Partners
Mr. Les Gruen
LES GRUEN is president of Urban Strategies, Inc., a Colorado Springs-based real estate development and advisory services company founded in 1999. He has worked with the principals of Development Advisors on a number of large projects including collaborative assignments for lenders and developers (he is an active member of the Lender Practice and Community Developer Practice teams at Advisors). Les received his B.A. from the University of Puget Sound in Tacoma, Washington. He was a Rhodes Scholar nominee and attended the University of British Columbia’s graduate program in Urban Land Economics.
As Assistant to the Chairman of Mobil Land Development Corporation, Les played a key role in Mobil’s 1981 acquisition of the internationally known Banning Lewis Ranch in Colorado Springs, Colorado. In 1984 he moved to Colorado Springs serving as Marketing Manager for the Ranch and subsequently became manager of Mobil’s Colorado Springs office and assisted with other large development projects nationally. He now assists clients, including lenders and major property owners, enhance the value of their holdings including the conception and implementation of development and disposition strategies. The Broadmoor Hotel is one of Les’ long-time clients and he has assisted the Hotel in much of its award winning development over the past decade. In 2007 he was appointed by the Governor to the State Transportation Commission.
Mr. Tim Masters, PE
TIM MASTERS has twenty-eight years of design, construction, and entitlement management experience in connection with varied national projects ranging from housing to commercial facilities, industrial complexes to sports stadiums.
After receiving a Bachelor of Science in Civil Engineering from the University of Windsor and a MBA from Oakland University Tim worked at LaFarge Corporation managing their technical services and marketing group for the Great Lakes Region. He later managed the Midwest office for a national consulting firm which specialized in multi-family and public housing. Tim was instrumental in providing public housing management for HUD in its supervision of the Detroit Housing Authority.
His experience includes senior level management of design and construction of several schools and higher education facilities along with land entitlement/land development of several large mixed-use development projects along the front range. While at Makar Properties Tim managed the 22,000 acre Banning Lewis Ranch development project which included re-zoning, entitlement, design management, and construction management of the first phase master infrastructure exceeding $260 million, as well as the establishment of the first charter school within the local school district.
Mr. Todd Whittaker
TODD WHITTAKER serves churches that desire to sell their existing church buildings or purchase either a traditional church building or non-traditional property to be be transformed into a church.
Todd has worked for Service Realty in Denver since March of 2004. Todd has previously been involved in sales and marketing for twenty years. He has been involved with real estate transactions through his previous experiences as a bank loan officer and through his work in the design and installation of complex water distribution systems. These experiences with municipalities, city administrators, and congregations in the Denver metro area has complemented his service to his church clients.
Christmas 2008

Principals | Strategic Partners

Client Driven Solutions
Development Advisors, LLC
2000 South Colorado Boulevard
Annex Building, Suite 250
Denver, Colorado 80222
303-534-3344
