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About Us

Experience, Honesty, Integrity, Results. Our team has a lifetime of experience negotiating residential real estate transactions. Your best interest is our objective.

Dan Callan

Dan Callan, the Team Leader and Associate Broker of RE/MAX Platinum, has been selling Real Estate since 1979. Dan specializes in developing vacant land and selling residential homes. He has attained Chairman's Club sales level, one of only 16 elite RE/MAX REALTOR®s in the Michigan Region to do so.

810-632-2345 direct
810-531-4473 cell
877-300-7906 efax

Amy Oldford Oprisiu

Amy (Oldford) Oprisiu, a valuable resource of Team Callan, epitomizes integrity, energy, hard work and creative service in every detail of your real estate transaction. Born and raised in the Hartland area, Amy was introduced to the real estate business by way of her family involvement in local development and construction. Amy has held her Real Estate License since 2000, as well as her Residential Appraisers License. When Amy is not helping her clients find the right home or selling their home, she enjoys spending time with her horses and family.

810-632-2345 direct
810-599-8629 cell

Shelly Callan

Shelly is our Team Office Manager and Executive Assistant. Since 2003 her years of professional experience keep our office running smoothly and efficiently. Shelly also manages and tracks our Advertising and Marketing Campaigns.

810-632-2345 office

Dalton Brennan

Dalton Brennan

Dalton brings added services to Team Callan including majoring in marketing and business management from Grand Valley State University. Dalton is a full time until the job is done kind of guy. Dalton meets and exceeds the Team Callan Policies for unquestionable integrity and a business reputation built on honesty. Dalton is extremely accessible for his clients and his communication practices are excellent!

810-923-6167 cell

Danielle Sergison

Danielle is a full-time real estate agent with a background in sales and marketing. Her motivation and drive align with her mentality to get the job done right. She places a high value on helping people understand the complexities of real estate and she will make sure that all of her client's questions are answered.

810-459-1132 main

Contact Us

Team Callan
RE/MAX Platinum
11500 Highland Rd
Hartland, MI 48353
Office: 810-632-2345

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