Alliance’s unique strength is that we are “small but mighty.”

Our leaders are personally involved in each department, providing direction and insight for everything we do. There are clear lines of communication and decision-makers for every project. We practice an open-door policy where employees are encouraged to engage with our leaders for guidance and support. Our company size allows for a personable, engaged atmosphere where employees feel like family. We are a team of builders- we grow as a team and promote from within.







Brian Weinmaster

President, CEO

Brian started his career at Alliance in 1994. He has worked in all departments within Alliance. Brian has extensive experience in a wide range of public and commercial projects as well as a working knowledge of estimating, project administration, cost management, project safety management and quality control. He is a LEED Accredited Professional and holds ownership stake in the company. His hobbies/interests include motorsports, outdoor activities (including scuba diving) and spending time with his wife Marie and two teenage sons.

Jeremy Nothdurft

Chief Operating Officer

Jeremy is in charge of executing daily operations for the company and holds an ownership stake in the company. Jeremy’s job is to help set standards for the company and work with our operations manager & construction executives to ensure that processes, training, and quality of the operations within our company and out at our jobsites reflect these standards. He also guides the company management systems and offers support on strategic planning. Jeremy is instrumental in contract negotiations & project closeout. He is a LEED Accredited Professional & has been with Alliance since 2001. His hobbies/interests include outdoor activities and exercising with his wife Andrea and his active school-age children.

Doug York

General Superintendent, Operations Manager

Doug is responsible for the overall direction of all our projects and subcontractor personnel including field operations and coordination. He helps maintain the quality control program and lends support and advice to all field superintendents and foremen. Doug works with the project superintendents to help coordinate field personnel and the flow of work for subcontractors, suppliers and the various tradespeople on site. He supports the project superintendent in maintaining and driving the schedule on a week-to-week basis, including all project schedule functions. Doug has been with Alliance since 1994 and holds ownership stake in the company. His hobbies/Interests include upland bird hunting, camping, fishing, hiking and riding ATVs.

Casey Paulson

Vice President, Chief Estimator

Casey leads the preconstruction/estimating team with pre-construction services, feasibility analysis, estimating, design development, value engineering and life cycle costing on a wide variety of projects. Casey has worked in the industry since 2002 and joined Alliance in 2008. Casey also holds ownership stake in the company. His hobbies/interests include shooting sporting clays, helping his three daughters with their sporting activities and traveling with his family.

Robin Choate

Client Development Manager

Robin leads the effort to cultivate client relationships, identify business opportunities, define long-term strategic goals, and ensure excellent customer service. Robin has been with Alliance since 2005 and has held positions in both operations and work procurement departments. Robin too holds ownership stake in the company. Her hobbies/interests include hiking, cooking, and spending time with family and friends.

Eric Appel

Chief Financial Officer

Eric joined the Alliance team in 2017. He holds a B.A. in Economics from the University of Virginia and an M.S. in Real Estate and Construction Management and International M.B.A. from the University of Denver. Eric has held a wide variety of positions, mostly financial in nature, within the real estate and construction industries. Before coming to Alliance, Eric served as CFO of a real estate development firm in Southern California. He also spent three years teaching English in South Korea, which is where he met his wife Kate. Eric and Kate have two young boys, Cooper and Everett. Eric grew up in South Carolina and North Carolina but prefers the snow and dry air of Colorado to the humid summers of the Southeast. His hobbies/interests include travelling, skiing, swimming, writing and drawing.

Alliance Construction Named Denver Business Journal's Fastest-Growing Private Companies


2019 Housing Colorado Eagle Award

St Francis Apartments at Cathedral Square

2019 ABC Rocky Mountain Chapter Excellence in Construction Award

Edgewater Civic Center

2019 ABC Rocky Mountain Chapter Design/Build Project of the Year

Edgewater Civic Center

2020 ABC Rocky Mountain Chapter Merit Award

Hyatt Place Pena Station ($25-100M Commercial Project Category)

2018 ABC Rocky Mountain Chapter Excellence in Construction Award

St Francis Apartments at Cathedral Square (Community/Public Service Category)