Allegiant Realty Partners


Mr. Taylor is President and a principal of Taylor-Duncan Interests, LLC. Mr. Taylor has over thirty-five years of experience in the real estate industry. He began his real estate career at Centennial Homes, rising to the position of Vice President of Marketing and Design. Centennial grew to become one of the largest home-builders in the state of Texas and was acquired by the Weyerhaeuser Company. He was President of Great Southwest Companies, Inc. a venture between Mr. Taylor and Lawson Ridgeway, housing pioneer and founder of Centennial Homes. At Great Southwest, Mr. Taylor oversaw the development of commercial, retail, multi-family and residential development projects. For the past twenty years, Mr. Taylor has primarily focused on single family lot development as a Principal at Taylor-Duncan Interests, LLC. Mr. Taylor lead a group of investors that purchased 50% interest in Texas based Goodman Family of Builders. He helped orchestrate the recapitalization of Goodman Homes and served on its board of directors, and also aided in positioning the company to be acquired by K. Hovnanian Homes, a national publicly-traded homebuilder. Mr. Taylor and affiliated entities have been involved in the development of thousands of residential lots and new homes and have worked with many of the country’s largest builders. Mr. Taylor has also been involved in many commercial and multifamily developments over his career.


Mr. James A. Siepiela started in the building business in 1970, with a custom homebuilder in San Antonio. While working on his degree from the University of Texas in Austin, Mr. Siepiela had his own construction company primarily involved in contract work in the Lakeway area outside of Austin. In 1975, Mr. Siepiela was employed by the Alpert Corporation as Contract Administrator on four condominium projects in Lakeway and as Assistant Land Manager responsible for subdivision development and golf course construction on two championship courses.

In 1977, Mr. Siepiela went to work for Nash Phillips/Copus (NPC) as Land Development Manager for multi-housing in Austin. His responsibilities included all supervision and administration of various land developments in Austin associated with townhouse, apartment, condominium and duplex development. In 1979, Mr. Siepiela was made President of the Central Texas Region of NPC and had P & L responsibility for all single-family home-building and development in the Temple, Killeen, Bryan, Georgetown and College Station areas.

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Mr. Siepiela guided the growth of the start up Central Texas Division to where it was building, selling, and closing in excess of 260 homes a year for $20,000,000 in sales volume. While President of the Central Texas Division, several commercial buildings were constructed and sold including a bank building, retail store and an office project in Bryan, College Station. In 1982, while still President of the Central Texas Region, Mr. Siepiela was also made President of the newly formed North Texas Region (Dallas / Forth Worth). He was responsible for all start up of this newly formed division including setting up credit lines, mortgage banking, all financing, land and lot acquisition, product development, and hiring of all local employees.

In April of 1983, NPC opened for sales in the Dallas/Ft Worth area and in 1986, closed 890 single-family homes for a sales volume of approximately 100,000,000. In addition to home building, the North Texas Region was also involved in land development and developed approximately 60% of the lots it built on. It also built lots for other builders with closing of approximately 300 lots per year to others and additional revenues of $10,000,000. Combined revenue in 1986 was in excess of $110,000,000.

In June of 1987, Mr. Siepiela formed Siepiela Interests, Inc., a multifaceted development company concentrating primarily in single-family lot development as well as light commercial and multi-family development. Siepiela Interest has been involved as the primary developer on more than 5,000 lots in the Dallas/Ft. Worth Metroplex with total revenues on those projects in excess of $250,000,000.00.

Some of the more notable projects have been Windmill Farms in Forney, Texas, a 3852 acre master planned mixed use Community, Bozman Farms, a 600 acre master planned community in Wylie Texas, Caliterra, a 600 acre master planned community in Dripping Springs, just outside of Austin, Texas. Other projects include Glenwick Estates, a 337-lot subdivision located in Flower Mound, Texas, Stafford Estates, a 267-lot subdivision also located in Flower Mound, Texas, Suncreek, a 300- acre masterplanned community in Allen, Texas, with over 850 single family lots and Prestmont, a 250-lot subdivision located in Frisco, Texas.
In addition to single family lot development Siepiela Interests, Inc. has been responsible for the development of a 190-unit apartment complex in Dallas, Texas, four self-storage warehouse projects in Dallas and Collin County in nearly 300,000 sq. ft. and numerous other retail and commercial tracts.

Mr. Siepiela has served or currently serves on several Boards of Directors:
  • National Director of the National Association of Homebuilders Washington, D.C.
  • Land Development Committee of the National Association of Homebuilders Washington, D.C.
  • Past President and Director of the Homebuilders Association of Greater Dallas, Texas
  • Director of First State Bank-Central Texas Temple, Texas
  • Past President of Homeowner Warranty Council of Metro Dallas Dallas, Texas
  • State Director of the Texas Association of Builders Austin, Texas
  • Government Relations and Developers Committees of the Texas Association of Builders
    Austin, Texas


Gregory L. Rich is the Vice President, Senior Operating Partner for Siepiela Interests, LLC and any related holdings. Mr. Rich has been in real estate lending and development beginning in 1983 with Roberts Interests, Inc. a real estate holding company that included American Century Corporation N.Y. Ex.; Commerce Savings Association, Dallas; Summit Savings Association, Dallas. As aide to Chairman John H. Roberts, duties included analysis and updating of REO loan portfolio, management of bank owned assets and cash flow and income analysis of personal assets held by Roberts including land and ranch holdings, investment income properties, aviation holdings and oil and gas interests.

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In 1984, Mr. Rich joined Trammell Crow Company as a project manager for land development activities in the Northwest Region of Dallas. His responsibilities included market analysis, sales, acquisition and development of land, which led to the purchased and subsequent development of 1,500 acres of land parcels. Then as a project partner his achievements include the acquisition, entitlement and development of Lake Forest, Stone Creek, Thornhill and Orand Ranch neighborhoods, the sale of 607 lots to six (6) builders in 1986 with gross revenues of $18,000,000 and associated land/tract sales in that same year.

In 1987, Mr. Rich joined Siepiela Interests, Inc., as Vice President. His responsibilities included site selection, market analysis, equity development, builder marketing, community development and P & L responsibility for the company’s land development activities. The company’s land development activities have targeted submarkets in east, northeast and northwest Dallas, including the Cities of Plano, Allen, Wylie and Richardson (northeast), Coppell, Flower Mound, Grapevine, and Lewisville (northwest), Forney (east), Austin, Dripping Springs and Fredericksburg, Texas.

Mr. Rich is an active member of Highland Park Presbyterian Church, served a three year term on the Board of Directors of Wesley Prep (475 student population), Chaired the Fundraising Committee and Vice Chairman of Building Committee leading a $6.3 Million building campaign for the school, is member ofthe Urban Land Institute, the Home and Apartment Builders Association of Dallas, past president of the W.H.A.T. Ducks Dallas Chapter, served on the Board of Governors of the Dervish Club, the American Cancer Society as Vice-Chairman of Fundraising and on the Executive Committee of the Evergreen Gala.

In 1983, Mr. Rich received a Bachelors of Science in Economics and a Minor in Finance at Southern Methodist University of Dallas, Texas.


Mr. Duncan is a principal of Taylor-Duncan Interests, LLC. He has over thirty years of experience in real estate, including development, property management, brokerage and investments. He has been involved as a partner in numerous real estate ventures. These various projects include homebuilding, the acquisition and management of multi-family communities, the development and management of industrial properties, the development of rural “ranchette” acreage and the build-to-suit development of office space for several governmental agencies throughout Texas. He has spent the past twenty years in partnership with Mr. Taylor at Taylor-Duncan Interests, where he has developed thousands of single-family lots and worked closely with many regional and national volume homebuilders. He served on the board of directors of Goodman Family of Builders for over five years. Mr. Duncan graduated from Southern Methodist University in 1984 with a BBA, with an emphasis in Real Estate and Finance. He received an Executive MBA from SMU in 1997.


Mr. Taylor is Vice President and became a partner in 2013 of Taylor-Duncan Interests, LLC. Mr. Taylor grew up in Dallas and has over ten years of experience in the real estate industry with a primary focus in land acquisition and disposition, market research, business relations, property management and real estate sales. He received his Bachelor of Arts Degree in Psychology from Southern Methodist University. While attending college Mr. Taylor obtained valuable experience in the home building industry working for Centex Homes in sales and marketing for their Fox & Jacobs series. Mr. Taylor joined Taylor-Duncan Interests after graduating from SMU in 2005. He is very active in the DFW real estate community and holds his Texas real estate sales license. His is a member of the Texas Real Estate Council Young Guns, the North Texas Urban Land Institute, and the International Council of Shopping Centers. Mr. Taylor oversees TDI’s infill development arm, Taylor-Duncan Intown.