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Master: Engineering • Real Estate • Construction

Keg House Arts Building
34 - 13th Ave NE Suite 102A
Minneapolis, MN 55413
Fax: 612.872.9201

Keg House Exterior

The Master Difference: Our Team Members

Our team is what separates us from our competition. Each team Manager has years of experience working in the Twin Cities real estate and construction industry. Each of our Managers is passionate about Minneapolis-St. Paul Urban Development. Our cities are improving with each completed project.

Don Gerberding — Principal
Area of Expertise: Engineering and SiteWork Construction / Urban Development / City Entitlements

Bio:   Mr. Gerberding is the founder and a Principal of Master Properties Minnesota, LLC. His experience spans over 30 years of commercial construction, site-work engineering & design, real estate development, property and building acquisitions, financing, leasing and brokerage sales and is a licensed real estate broker in Minnesota. Mr. Gerberding has been responsible for over 30 development and construction projects in the city of Minneapolis in a variety of commercial, retail, office, restaurant, and multi-family housing projects.

Prior to founding Master, Don was the President of Belair Companies West Office in Denver Colorado with responsibility for creating a Site-work and Heavy Excavation Division for Belair Companies. From 1977 to 1996, Mr. Gerberding was the founder and President of Master Asphalt Company, a highway-heavy/commercial paving and site development contractor. Don also founded Master Parking Systems, Inc. a pavement design and engineering firm.

Mr. Gerberding received a BA degree from the University of Minnesota, an MBA Certificate from the College of St. Thomas, Post-Graduate Real Estate Program Certificate from Harvard University and completion of the Bituminous Technology Program from the Minnesota Department of Transportation. Don was also a Navy Pilot, Navy Flight Instructor, and Maintenance Test Pilot. Don lives in south Minneapolis and is married with two children and grandchildren.


Craig Patterson — Principal
Area of Expertise: Real Estate Services:  Project Financial Modeling, Brokerage & Sales / Urban Development

Bio:   Mr. Patterson is a Principal of Master Properties Minnesota, LLC, and has been active in commercial real estate for 24 years, with the past 14 years in the development of real estate projects.

Craig has developed over $225,000 of commercial projects in the Twin Cities and upper Midwest, many of which were competitively won design-build projects for Fortune 500 clients that also exceeded the client’s Return on Investment (ROI). He is experienced and adept with all aspects of development that includes: site selection, due diligence, entitlements, and financial modeling, including lease and sale negotiations of the finalized project. He also has management experience, which includes strategic planning, market planning, operations and Profit/Loss responsibility, organizational and project leadership. Craig has also led development teams that managed a 3,000,000 square foot portfolio of commercial properties and coordinated leasing, construction, asset management, architecture and development.

Mr. Patterson received his Bachelor of Science Degree in Horticulture from Iowa State University with a concentration in Business Management.

Craig is a licensed real estate broker in Minnesota and is the past President of NAIOP MN; the Commercial Real Estate Development Association. He lives in Independence, Minnesota with his wife and three children.


Greg Ottum — President; Construction

Area of Expertise: Building Construction

Bio:   Mr. Ottum is the President and Head of Construction Group of Master Properties Minnesota LLC. His experience spans over 28 years in commercial and residential construction. Mr. Ottum has been responsible for all types of construction; Multi-family housing, condominiums, banks, office buildings, libraries, hotels, fire stations, heal care facilities, industrial, commercial, restaurants… both In the public and private sector. Greg has constructed projects in the 5 state regions of Minnesota, Iowa, Wisconsin and North and South Dakota.

Mr. Ottum started his construction career as the field superintendent in 1983 at the Astrodome Warehouse project in Houston, TX. Over time, Greg moved into Project Management. Today Greg is the President and Head of Construction at Master, yet he continues to Project Manage many projects.

Mr. Ottum received his Bachelor’s degree in Industrial Technology from the University of Wisconsin-Stout with a concentration in Building Construction. Mr. Ottum continues to maintain education credits in OSHA Safety, LEED, Construction Law and related subjects.

Greg Lives in Eden Prairie, Minnesota and is married with two children.


Brian Nieting — Accounting
Area of Expertise: Project Financial Analysis, Project Accounting, Business Accounting

Bio:   Mr. Nieting is the Accountant for Master Properties Minnesota LLC. He has 30 year’s experience in the construction industry as a Cost and Financial Accountant. His responsibilities include all project and company accounting functions and providing property management duties for buildings that Master Properties oversees.

Mr. Nieting has a Bachelor of Science degree from St. Cloud State University with a concentration in Accounting. Brian lives in Bloomington Minnesota with his wife and two boys.