IMM’s management team possesses a two-faceted goal: To protect the investments of our building owners and secure a reasonable return for their investment, while providing courteous service and comfortable accommodations to our residents, at a reasonable price. This objective is achieved through the division of managerial responsibilities divided among several administrative associates:

Jay Altringer, CPM Chief Operating Officer Mr. Altringer has more than 40 years of experience in the property management industry. Not only does Mr. Altringer direct IMM’s corporate goals, strategies, and business functions, he is instrumental in new multifamily property development, building, and sales in several communities we serve. Mr. Altringer was bestowed the title of Certified Property Manager (CPM) by the Institute of Real Estate Management, an affiliate of the National Association of Realtors, for his demonstration of professionalism in the property management field. He also holds a Bachelor of Arts Degree in Business Management from Minot State University, North Dakota real estate sales license, and a Graduate Realtors Institute Certificate.
Justin Hammer, President. Justin oversees IMM’s overall Corporate operations as well as the overall property management operations. Justin was previously a Property Supervisor for IMM from 2007-2009 before joining a mid-western REIT as a Regional Manager and being part of the leadership team from 2009-2018 in various capacities leading up to Vice President of Operations at the time of his departure. Justin rejoined IMM in July of 2018 as the Vice President of Operations before his promotion to President in March of 2019. Justin earned his Certified Apartment Manager (CAM) designation from the National Apartment Association (NAA) in 2013. Justin possesses a Bachelor of Science Degree from the University of North Dakota as well Justin is a licensed real estate salesperson in the state of North Dakota.
Dennis Dion Corporate Secretary & Treasurer Dennis oversees the corporate financial activities and payroll functions for the company, as well as the Human Resource Department. Dennis also manages IMM’s commercial property portfolio and smaller residential portfolios. Mr. Dion is the designated real estate broker for IMM, and supervises the Real Estate Brokerage Department. He possesses a Bachelor of Arts Degree from Minot State University.
Colin Bates first joined the IMM team in 2014 as the Accounting Supervisor and since 2016 is now the Grand Forks Property Supervisor. He maintains over 1,000 units, communicates with investors, and leads the Grand Forks Office and surrounding areas with his 5 years of management experience with IMM and his Accounting Degree from Webster University in St. Louis, Missouri.
Schan Altringer Central ND Property Supervisor. Schan has been with the company since 2006. In his current role, he utilizes acquired knowledge from his Business Management education from Bismarck State College, and his years of experience in property management to administer properties in the following North Dakota cities: Bismarck, Mandan, Carrington, Jamestown, Stanley, and Pierre, SD.
Daniel Erickson came to IMM in 2016 after graduating from Minot State University College of Business with degrees in Management, Marketing and International Business. As the current Property Supervisor in the Minot and Williston markets, he oversees more than 2700 units. He is an active board member on the Magic City Apartment Association and is also a licensed real estate salesperson in North Dakota.
Caydra Askvig is a Minot native with several years of property management experience. She has been with IMM since 2012, working first in our leasing department and now as a Minot Property Supervisor. Caydra’s brings many years of customer service to IMM and her role as a Property Supervisor.
Jill Wald Controller For more than 10 years, Jill has coordinated and managed all accounting functions for IMM’s management portfolio. She holds a dual Bachelor’s of Arts Degree in Business Management & Computer Science from the University of St. Thomas in St. Paul, MN. Jill is also responsible for the redesign of our corporate website.
Marla Gefroh Office Manager Marla came to IMM more than 24 years ago with accounting education from Minot State University. As office manager, Marla is responsible for the organization and supervision of administrative activities to facilitate continuous productivity. Additionally, she assists in achieving objectives through budget preparation and coordinating accounting activities.