Allegiant Properties is a boutique firm that differentiates itself by its founding philosophy of achieving the unique, individual goals of our clients. Our Realty Advisors possess broad transaction expertise, impressive accomplishments and strong core values including the commitment of honesty, client loyalty and hard work.

All of these attributes combine to provide our clients with a powerful “package” of personalized real estate services – one trusted source for a seamless transaction execution.

Diana M. Rollnick, MBA - Associate Broker | Designer | Principal


CA Direct 657.206.5075

License: 01893178

AZ Direct: 602.751.6922

License: BR629681000

Diana’s 25 years of well-rounded real estate, interior design and entrepreneurial business experience, combined with her education, integrity, and professionalism, make her a standout in the luxury real estate market. She is honored to work with repeat clients and is endorsed by past and current clientele resulting in a high percentage of referrals…a true testament to her professional capabilities.

Her entrepreneurial spirit and personable but disciplined approach to business has enabled her to enjoy the multi-faceted nature of real estate and interior design. Diana has completed multiple real estate transactions and renovation projects for client’s primary, vacation, and investment properties in the beautiful Sonoran desert of Arizona, and coastal region of Orange County, California.

Originally from the Midwest, Diana also has the good fortune of having lived in the Pacific Northwest, California, and Arizona. When she isn’t busy at work, she enjoys tennis, skiing, roller blading, paddle boarding, family, and playing with her four-legged kids.

Diana holds a Master of Business Administration from Pepperdine University’s School of Business & Management, a Bachelor of Science from Western Michigan University and is a graduate of American Institute of Interior Design (AIID). She is a member of the National Association of Realtors, Scottsdale Board of Realtors and Laguna Beach Board of Realtors. Diana is an Allied Member of the American Society of Interior Designers and has been published for her interior design work in Phoenix Home & Garden. She is connected with her community through a number of diverse business and philanthropic organizations.

Richard D. Rollnick - Principal | Designated Broker


AZ Direct: 602.751.6950

License: BR533244000

CA Direct: 949.751.6209

License: 00570050

Richard founded Allegiant Properties, LLC in 2007 and is the Designated Broker for the California and Arizona operations. He has been in the residential and commercial real estate business for over 30 years with total transaction volume exceeding $1 billion. Most recently he served as Senior Vice President & Regional Director of a NYSE publically traded Real Estate Investment Trust (REIT) which specialized in the acquisition, management and development of shopping centers. From 1996 until 2006, Richard served as President and member of the board of Crown West Realty LLC, a private real estate investment, development and Management Company with offices in New York City, Phoenix, Denver and Spokane, Washington.

As one of its founding partners, Richard along with his senior management team, advanced the company from its formation in Spokane, Washington, to a multi-market portfolio comprising assets of over seven million square feet of leased office, flex, and industrial properties along with 600 acres of land. As a present or past partner or key executive Richard has been directly responsible for originating, financing, developing, marketing and managing over 14 million square feet of industrial, office, flex, retail and multi-family properties located in California, Washington, Colorado, Arizona and North Carolina.

Richard holds a Master of Business Administration Degree from Pepperdine University’s Graduate School of Business & Management, a Bachelor of Science Degree in Economics & Marketing from Woodbury University, and is a graduate of Harvard University Graduate School of Design, Running a Real Estate Company program. Richard is a licensed real estate and mortgage broker in California and Arizona, and holds the CCIM designation.

Dan Harach - Realty Advisor


Direct: 480.254.9209

License: SA575941000

Dan has been an active realty advisor and investor in residential and commercial real estate for over ten years. He has also has extensive experience with the acquisition, planning, entitlement, repositioning, management and disposition of residential, commercial, and multifamily assets. Dan, originally from Canada, took advantage of the prior economic downturn by actively investing alongside fellow expats and representing buyers and sellers looking to invest in residential and multifamily assets in the Phoenix market. This experience of value-added investing is a skill that greatly benefits Dan’s real estate clients. Dan has also held management positions in the fields of real estate and banking at top regional and national firms.

Dan holds a Bachelor of Business Administration Degree from the University of Regina, Canada. He has also obtained a graduate certificate from the University of California, Irvine in the discipline of Investment Management. He is a Chartered Alternative Investment Analyst Chartholder and holds an Arizona Real Estate License.

Richard M Schumacher Jr. (Rick) - Realty Advisor


Direct: 949.292.6527

License: 01984360

As a resident of Coachella Valley, Rick offers his real estate clients experience that spans over 30 years in marketing, sales and business negotiations. Strong ethics and a reputation for exceeding client’s expectations has been his hallmark. Rick holds a Bachelors of Science Degree in Marketing from Northern Illinois University. As a California real estate licensee, he is a member of National Association of Realtors and California Desert Association of Realtors.

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