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Our Team

The backbone of any company is its people. And at Security Properties Residential, our team consists of incredibly knowledgeable and professional experts with decades of experience under their belts. We’re committed to our customers and take our role as steward seriously. You can count on us to do what we say and say what we do. Our integrity is a promise.

Mike Voorhees

Mr. Voorhees has over 23 years of experience in residential real estate management. Before joining Security Properties Residential as President and Managing Director, he served as Partner and Regional Vice President for Holland Residential in the Puget Sound region.  Under his tenure, the region grew from 233 units in 2003, to 25 properties with over 5,500 units. During that time frame, Mr. Voorhees supervised the renovation of 2,700 units and a total infusion of over $18 million in capital improvements. Prior to joining Holland Residential, he served as an investment manager for Pinnacle, overseeing 14 properties with a capitalization value of approximately $225 million. Before his days at Pinnacle, he served a District Manager for Trammell Crow for Oregon and Washington. Mr. Voorhees attended Washington State University and studied Business Administration and is a managing broker in Washington State.

Rebecca Sands
Senior Regional Manager

Ms. Sands has over 22 years of experience in the Multifamily Property Management industry.  Prior to joining Security Properties Residential, Rebecca spent 7 years as Vice President with Affinity Property Management in Oregon and SW Washington where she successfully led numerous properties through stabilization, lease-up, rehab and acquisition. Prior to Affinity, Rebecca was the General Sales Manager with For Rent Media Solutions. She began her apartment industry career in 1993 with the CTL property management group as well as Trammell Crow Residential Services.

Mary Marin
Senior Regional Manager

Ms. Marin has over 25 years of experience in the Multifamily Property Management Industry.  Prior to joining Security Properties Residential,  Ms. Marin held the position of Senior Property Manager and Regional Director, at Gray Development Group, where, over the past 10 years,  she oversaw the startup and property operations of a portfolio of up to  2000 units, including A+ lease up communities, as well as A, B and C stabilized communities.  Ms. Marin has also served as a Senior Property Manager with Mark Taylor Residential and The YF Group.  Ms. Marin currently maintains her Real Estate License in the State of Arizona.

Linda Kirkwood
Senior Regional Manager

Ms. Kirkwood has over 25 years of experience in the multifamily and commercial property management industry, and has worked in various markets throughout the United States. Prior to joining Security Properties Residential, Ms. Kirkwood worked with successful development and management firms including Archon, Simpson, Greystar, Maxx and Echelon. She earned a Bachelor’s Degree in Business from the University of Texas at Austin and holds the designation of Certified Property Manager.

Alisa Kelley
Regional Manager

Ms. Kelley possesses over ten years of accounting experience and specialized in accounts payable at Security Properties Residential before making a move into operations. She has four years of prior work in the multifamily property management industry at both Greystar, where she worked as a Community Manager overseeing four properties in the greater Seattle area, and at Glacier Real Estate Services, where she served as Junior Accountant/Accounts Payable Lead. Previously, Ms. Kelley also worked in accounting at Aramark, where she was the Assistant Controller at Qwest Field.

Jolene Brinkly
Regional Manager

Jolene Brinkly possesses over ten years of experience in the multi-family industry.  She previously worked for Crown Management Group as a Property Administrator and Riverstone Residential Group as a Senior Property Manager specializing in the Greater Seattle area; since joining Security Properties Residential in 2011 she has expanded her territory  to include Southern California and Las Vegas.  Ms. Brinkly has extensive experience in transitioning management and  facilitating property renovation projects while maintaining an exceptional living experience for the residents.  Additional areas of expertise include HOA management, forecasting, accounting and associate development.

Lauree Scheiber
Regional Manager

Ms. Scheiber has 20 years of experience in the Multi-Family Industry.  Prior to joining Security Properties Residential, Lauree spent four years as a Regional Portfolio Manager for ConAm Management in the Seattle and Olympia markets, overseeing a diverse portfolio including historical, garden-style,  and mid-rise communities, as well as two successful mixed-use urban lease ups.  Prior to ConAm, Lauree gained extensive experience in the property management industry from Legacy Partners, from Simpson Property Group where she was Regional Marketing Director, and from regional management positions with other well-regarded property management firms including Whiteco and Greystar. Lauree studied music at Western State College and Communications at Colorado State University. She currently holds an active Washington State Broker’s License and is a CPM Candidate with IREM.

Amy Williams
Regional Development Manager

Ms. Williams is a Real Estate professional who is responsible for driving the operations and financial performance of our Seattle and Portland area lease ups. Ms. Williams comes to Security Properties Residential with over 19 years of experience in multifamily and condominium property management and brokerage. She has extensive knowledge of the Seattle and Portland markets and is experienced in supervising many lease ups, property renovations, dispositions, and receiverships.Most recently, Ms. Williams was a Regional Portfolio Manager with Greystar where she had worked in 2015. Prior to that, she was a Senior Investment Manager and Principal Broker with Pinnacle where she led a large team responsible for a new development roll out in Seattle, condo conversions in Portland and Bend, as well as business plan and sales strategy development consulting. At Pinnacle, Ms. Williams specialized in urban mid-rise and high-rise lease ups. From 1999-2009, Ms. Williams worked as a broker for Hoyt Realty Group in Portland specializing in the Pearl District. During that tenure, she was honored with the Top Broker- Portland award. Ms. Williams started her career with Trammel Crow Residential. Ms. Williams is a licensed Principal Real Estate Broker in both Washington and Oregon.

Annamarie Calkins

Ms. Calkins has over 9 years of experience in the accounting industry. Prior to joining Security Properties Residential, she was the Accounting Manager for Security Properties where she managed the corporate and property management accounting for the conventional portfolio. She brings a wealth of real estate accounting industry knowledge and experience, and has successfully led multiple system and software implementations. Ms. Calkins has also worked as an audit associate for McGladrey LLP, where her clients were primarily in real estate. She holds a Bachelors of Arts in Business Administration from the University of Washington and is currently working towards earning her CPA license.

Ron Hankinson
Director, Facilities and Maintenance Operations

Mr. Hankinson has over 20 years of experience in the local Seattle area multi-family housing market.  In previous positions, Ron oversaw construction projects, large crews, contractors, site maintenance staffing and associated responsibilities.  Mr. Hankinson has experience as a local independent contractor and a NACHI (National Association of Certified Home Inspectors) member in good standing since 2007. This experience has made him a valuable associate to our due diligence/ asset acquisition process. Repair experience and knowledge of full scale rehabs and exterior envelope repair allows Ron to make credible recommendations for repair.

Rima Edmonds
National Director of Compliance

Ms. Edmonds is the National Director of Compliance in charge of all compliance matters for Security Properties Residential and Security Properties. She also works as an Asset Manager for Security Properties, responsible for the management companies, compliance files and operations for its portfolio of affordable properties. Ms. Edmonds has worked with state housing finance agencies and HUD offices throughout the country, and has a thorough knowledge of Section 42 and the tenant certification process. Ms. Edmonds maintains a Washington State Real Estate Sales License, CPM and CAM Designation and has her COS “Certified Occupancy Specialist”, and holds C3P certification from Spectrum and she is also REAC and MOR certified.

David Dufenhorst
SP Chief Executive Officer

Mr. Dufenhorst has 31 years of experience in real estate including asset management, acquisitions, dispositions, development, joint ventures, financing, tax planning and accounting. Prior to joining Security Properties, he was the Managing Partner and President of the Torino Companies. During his 13 years at Torino he completed over $1.0 billion in transactions in Arizona, California, Colorado, Nevada, Oregon and Washington. He has also worked for an investment bank, a publicly traded real estate developer and a Big 4 accounting firm. He holds a Bachelor's in Accounting from the University of Idaho and a Master's of Real Estate Development from the University of Southern California. Mr. Dufenhorst is a licensed real estate broker, a licensed CPA, and a member of the ULI and National Multi-Housing Council.

Bob Krokower
SP Chief Financial Officer

Bob Krokower has over 30 years of experience in real estate finance, administration and accounting. He’s served as CFO of Security Properties for seven years. Mr. Krokower’s previous positions include CFO of Harbor Properties, Inc., and Harbor Mountain L.L.C, and Senior Vice President of Finance and Administration of the Donald L. Bren Company. He also owned a consulting firm that specialized in delivering financial and administrative support to real estate development and operations companies. Mr. Krokower holds an accounting degree from California State University.