Leadership

Our diverse portfolio of performing assets and our senior management team with an average of 28 years industry experience provide an uncommon level of multifamily expertise. That focus on multifamily housing has allowed our management team to develop outstanding skills, insights, and relationships over multiple real estate cycles.

  •    
    Bob Krokower

    Chief Executive Officer

  •    
    John Marasco

    Chief Development Officer

  •    
    Dan Byrnes

    Managing Director
    Conventional Investments

  •    
    Bryon Gongaware

    Managing Director
    Affordable Housing Group

  •    
    Ed McGovern

    Managing Director
    Capital Markets

  •    
    John Gleason

    Managing Director
    Asset Management

  •    
    Nina Richter

    Managing Director
    Human Resources

  •    
    Mike Voorhees

    Managing Director
    Property Management

  •    
    Tali Reiner

    Vice President
    Property Management

  •    
    Laurel Zacher

    Vice President
    Marketing & Talent Development

  •    
    Michael Nanney

    Sr Director
    Development

  •    
    Davis Vaughn

    Sr Director
    Conventional Investments

  •    
    Julie Driscoll

    Sr Director
    Controller

  •    
    Annamarie Calkins

    Sr Director
    Accounting

  •    
    Adele Larkin

    Manager
    Nootka Marine Adventures

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David Dufenhorst

Chief Executive Officer

Mr. Dufenhorst is the Chief Executive Officer at Security Properties where he oversees a 22,000 unit apartment portfolio with assets located in 21 states plus the District of Columbia. The company has been in business since 1969 and operates with four separate business units including development, conventional acquisitions, affordable acquisitions, and in-house property and asset management. He has 31 years of experience in real estate and has completed over $5.2b in transactions and raised over $900m of institutional equity.

Prior to joining Security Properties, Mr. Dufenhorst worked 13 years as the President and Managing Partner of a private developer based in Los Angeles with offices in Denver, Phoenix, and Las Vegas. His previous work experience also included working in the real estate group for an investment banking firm based in San Francisco and he was the Director of Development for Intrawest.

Mr. Dufenhorst attended the University of Idaho where he received an undergraduate degree in business and attended the University of Southern California where he obtained a Master of Real Estate Development. He is a CPA (inactive), a California real estate broker, a gold multifamily council member of the Urban Land Institute, a board member of Long Live the Kings, a member of the National Multi-Housing Council, a member of the National Association of Home Builders Multifamily Leadership Group, a member of Pacific Real Estate Institute, and an Executive Committee Member of the USC Lusk Center for Real Estate.

 
Bob Krokower

Chief Executive Officer

Bob Krokower is the CEO and CFO of Security Properties. He leads the Investment Committee and is a member of the Board of Managers. Mr. Krokower has the broad responsibility for strategic planning, growth, and the financial health of the organization. In addition, he is involved in all aspects of SP’s business units including acquisitions, dispositions, asset management, development, and property operations. During Mr. Krokower’s 17-year tenure, SP has acquired and developed over 200 properties and disposed of approximately 250 properties representing a combined transaction volume of over $10 billion.

Prior to joining SP in 2003, Mr. Krokower spent five years as Chief Financial Officer for Harbor Properties, Inc. (real estate development and property management) and Harbor Mountain LLC (ski resort operations and resort real estate). From 1992 to 1998, he operated his own consulting firm which offered financial and administrative support to real estate development and operations companies. Prior to 1992, Mr. Krokower worked as Senior Vice President of Finance and Administration, Corporate Secretary and Director of the Donald L. Bren Company and Bren Investments Properties (real estate development companies). He is a graduate of California State University with a degree in accounting.

 
John Marasco

Chief Development Officer

John Marasco is Security Properties’ Chief Development Officer and is responsible for all aspects of SP’s multifamily and commercial real estate development. He is a member of the Investment Committee and the Board of Managers. Mr. Marasco joined Security Properties in 1992 as a Development Project Manager. Having started his career in real estate with the largest land developer in the Pacific Northwest, Mr. Marasco’s particular expertise in land acquisition and development proved instrumental in establishing SP as one of Seattle’s leading development teams.

Under Mr. Marasco’s leadership, SP has expanded its development portfolio through responsible and sustainable buildings that reflect and reinforce the unique attributes of their neighborhood. From 2012 through 2019, SP has built and successfully delivered a pipeline of over 2,000 units at a capitalized cost of $1 billion. Mr. Marasco has expanded development capabilities to include office and light industrial. Moreover, his team has established a niche development strategy for urban mixed-use development with grocery-anchored retail with successful entitlement and development in cities such as Seattle, Portland, San Francisco, and Chicago. Mr. Marasco’s additional strengths include analysis, financial structuring, construction management, rehabilitation, asset turnaround, marketing, and sales.

Prior to joining Security Properties in 1992, he served as Acquisition Manager for a Seattle-area multifamily real estate syndication and development company. He has a Bachelor of Science degree from the University of Oregon and completed graduate courses at the University of Washington's Department of Civil Engineering. He maintains a Washington real estate broker's license and has received a University of Washington Certificate in Commercial Real Estate.

 
Dan Byrnes

Managing Director, Conventional Investments

Dan Byrnes is the Managing Director of Conventional Investments for Security Properties. He is a member of the Investment Committee and the Board of Managers. Mr. Byrnes has 16 years of experience in commercial real estate and oversees all market-rate acquisitions and dispositions for SP. He has completed over 130 transactions totaling $5 billion since joining Security Properties in 2012. In addition, Mr. Byrnes oversees day-to-day management of Security Properties’ multifamily funds.

Prior to joining Security Properties, he served as a Director of Investment Sales in HFF’s New York City office, where he completed over $4 billion of real estate transactions, spanning all major US markets and asset types. Mr. Byrnes holds a Bachelor’s Degree in Economics-Operations Research from Columbia University and an MBA from the Haas School of Business at University of California, Berkeley.

 
Bryon Gongaware

Managing Director, Affordable Housing Group

Bryon Gongaware is the Managing Director of Security Properties’ Affordable Housing Group. He is a member of the Investment Committee and the Board of Managers. Mr. Gongaware has been active in real estate development and investment for 20 years. He is focused on executing the acquisition and development of affordable properties throughout the United States utilizing both 4% and 9% low income housing tax credits. He is responsible for leading an investment team through the entire development cycle of affordable housing: from early stage planning, managing and coordinating the pre-development and construction process with contractors and architects, sourcing complex financing, securing rent increases with regulatory agencies, property lease-up strategies, and permanent financing. Mr. Gongaware’s broad skill set and knowledge include entitlement, construction management, asset management, property financing, and financial analytics.

Prior to joining Security Properties in 2002, he worked on real estate transactions for a high net worth individual. Mr. Gongaware holds a Bachelor’s Degree in Business from the University of Washington and a Certificate in Commercial Real Estate from the University of Washington.

 
Ed McGovern

Managing Director, Capital Markets

Ed McGovern joined Security Properties in 2009 and is the Managing Director of Capital Markets. He is a member of the Investment Committee. Mr. McGovern is responsible for raising private equity and debt from high net worth investors, institutions, and family offices to be invested alongside our partners and our own capital. To date, he has raised over $300 million of private capital to aid in the financing of more than 120 Security Properties assets worth over $3 billion. In addition, Mr. McGovern is involved in managing the firm’s branding and public relations strategy and is responsible for interactions with the media.

Mr. McGovern has over 20 years of finance and real estate experience involving high rise commercial development and real estate private equity. His career has involved both investment and disposition roles in office, hotel, retail, and multifamily real estate for both ground-up development and acquisition/rehab projects.

Prior to joining Security Properties in 2009, Mr. McGovern held real estate development and investment roles with Schnitzer Northwest and Bentall Kennedy, as well as positions in investment banking. He has been responsible for the development and leasing of over two million square feet of commercial real estate in the Pacific Northwest and the development of hotels throughout the U.S. He holds a Bachelor of Science in History from the U.S. Naval Academy, an MBA from Columbia University and a Certificate in Construction Management from the University of Washington. He currently serves as a Board Member and was a former Adjunct Professor for the University of Washington Department of Real Estate MSRE program. He has also been involved with the Puget Sound Regional and National Corporate Board of Directors for NAIOP.

 
John Gleason

Managing Director, Asset Management

John Gleason is the Vice President of Security Properties and the Managing Director of Asset Management. He is a member of the Investment Committee and the Board of Managers. Mr. Gleason has over 30 years of experience in managing multifamily, office, industrial, and retail real estate portfolios throughout the United States.

Since joining Security Properties, Mr. Gleason has been instrumental in implementing processes and innovative analyses to better facilitate strategic decision making, risk mitigation, and investor communication. His latest initiative was the development and implementation of a proprietary business intelligence (“BI”) platform; the new BI platform allows Security Properties to illuminate opportunities to optimize operations.

Prior to joining Security Properties in 2006, Mr. Gleason held positions including Managing Director of Colliers International, Regional Vice President of DivcoWest, and positions at Trammell Crow, Spieker Properties, and Equity Office Properties. During his career prior to Security Properties, he played a major role in the acquisition, the rehab/repositioning and the disposition of 1900/01 Avenue of the Stars in Century City, which resulted in a profit of approximately $100 million in just 23 months. Mr. Gleason has personally negotiated over $500 million in commercial leases and has performed the role of construction manager for over $50 million in renovation projects. He holds a Bachelor in Agricultural Managerial Economics from the University of California at Davis.

 
Nina Richter

Managing Director, Human Resources

Nina Richter is the Managing Director of Human Resources for Security Properties. She is a member of the Investment Committee. She joined SP and SPR in 2014 bringing over 25 years of experience in human resources in industries including engineering, homebuilding, and commercial real estate. Ms. Richter is responsible for full-cycle human resources encompassing policies/practices, staffing, compensation, talent acquisition, benefits, performance management, employee relations, employee recognition, and health and safety, and is adept at tying HR advice to business strategy. Ms. Richter’s team supports over 700 team members in 13 states.

Ms. Richter holds a Bachelor of Arts degree in Speech and Communications from the College of Wooster and is accredited by both the Human Resources Certification Institute as a Senior Professional in Human Resources and the Society for Human Resource Management as a Senior Certified Professional.

 
Mike Voorhees

Managing Director, Property Management

Mike Voorhees is the President and the Managing Director of Security Properties Residential. He is a member of the Investment Committee and the Board of Managers. As President of SPR, Mr. Voorhees is responsible for all facets of property management nationwide with a focus on risk management, value creation, and due diligence pursuits. Since joining SP in 2017, the SPR portfolio has increased from 13,000 units to over 22,000 units under management, representing a portfolio value of over $4.5 billion. Additionally, Mr. Voorhees has overseen the SPR portfolio expansion into Utah, Tennessee, and the Mid-Atlantic region.

Before joining Security Properties, Mr. Voorhees served as Partner and Regional Vice President for Holland Residential in the Puget Sound region for 14 years. During his tenure, the region experienced unprecedented growth from 233 units to over 5,500 units. 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 as a District Manager for Trammel Crow for Oregon and Washington. Mr. Voorhees attended Washington State University and studied Business Administration and is a managing broker in Washington State.

 
Tali Reiner

Vice President, Property Management

Tali Reiner is responsible for the property management operations of Security Properties Residential’s 20,000 unit nationwide portfolio. In her role as Vice President, Ms. Reiner contributes to the strategic vision of SPR and is responsible for the successful day to day operations of property management including oversight of key personnel decisions, company culture, revenue performance and strategic growth within target markets. Ms. Reiner has supervised a diverse portfolio spanning 14 states including lease-ups, value-add, LIHTC/HUD, senior, mixed-use and conventional housing from garden style, to mid and high-rise. With this experience, Ms. Reiner has been instrumental in helping SPR and our partners through successful lease ups, stabilization, acquisitions and dispositions. Prior to joining SPR, she worked for a third-party property management firm, Indigo Real Estate Services. During her time at Indigo, Ms. Reiner filled numerous roles within the organization including: Director of Operations, Investment Manager and Compliance Director. Under her leadership the compliance department doubled in size to over 5,000 units and was recognized by the Washington State Housing Finance Commission as an industry leader. Ms. Reiner has been active in the multifamily housing industry since 2005 and has maintained a Washington real estate broker license since 2007. She is a board member of both the Washington Multifamily Housing Association and Affordable Housing Management Association of Washington. Previously she was a member of the Washington State Housing Finance Commission Advisory Board. Through her involvement with both boards, she has advocated in Washington, DC for thoughtful housing policy and support of vital housing programs. Ms. Reiner is a graduate of Randolph College where she received a Bachelor of Arts degree in History.

 
Laurel Zacher

Vice President, Marketing & Talent Development

Laurel Zacher is a multifamily marketing strategist with 25+ years’ real estate and media experience. She directs the strategic planning and execution of marketing programs for investment and property management. She has worked with a broad variety of communities including conventional apartment communities, affordable, mixed-use developments and commercial buildings, across North America (both US and Canada). Prior to joining SPR, she led marketing strategy for Weidner Apartment Homes and regional owners throughout the Midwest. She leads a team of national marketing professionals with specialties in advertising (print and digital), SEO/SEM, branding, design, social media, reputation management, customer service and web development. Ms. Zacher holds a BS in Business Management from California State University, Long Beach.

 
Michael Nanney

Sr Director, Development

Mr. Nanney has 18 years of real estate development experience. After beginning his career at Jones Lang LaSalle, Mr. Nanney spent over eight years developing land and residential properties at publicly traded real estate company Forest City Enterprises. He has worked on real estate development projects in northwest cities including Seattle, Portland, and Bellevue along with other cities around the U.S. including Washington D.C., Chicago, San Juan P.R., Colorado Springs, and Honolulu. Mr. Nanney’s educational background includes a degree in finance from George Mason University, the Chartered Financial Analyst designation, and an MBA from the University of Washington.

 
Davis Vaughn

Sr Director, Conventional Investments

Davis Vaughn is a Senior Director on the Acquisitions Team at Security Properties. He focuses on the acquisition of market rate apartments on the west coast in partnership with institutional equity. Deal targets include core, core-plus, value-add and opportunistic real estate. He has acquired approximately 10,000 units with total capitalization of $2.0B.

He is also responsible for managing all institutional equity relationships for the Acquisitions platform. This includes sourcing equity capital and joint venture structuring and partnerships. Equity partners include insurance companies, pension funds, equity funds and high net worth individuals.

Prior to joining Security Properties, Davis worked on institutional debt and equity placement for Northwestern Mutual in their Seattle real estate office. He graduated Cum Laude from the University of Washington with a Bachelor’s Degree in Finance.

 
Dorothy Denton

Sr Director, Tax

Our diverse portfolio of performing assets and our senior management team with an average of 28 years industry experience provide an uncommon level of multifamily expertise. That focus on multifamily housing has allowed our management team to develop outstanding skills, insights, and relationships over multiple real estate cycles.

 
Julie Driscoll

Sr Director, Controller

Julie Driscoll is the controller at Security Properties where she oversees financial reporting and day to day accounting functions for a portfolio of assets over $3 Billion. Prior to joining Security Properties in 2006, Ms. Driscoll was part of the real estate finance team at Vulcan Real Estate. There she worked with joint venture reporting, project budgeting, commercial property management and a diversified south lake union real estate portfolio from pre-development through development stages. Ms. Driscoll began her career in public accounting with RSM McGladrey where she performed audits and prepared tax returns for a range of clients from the banking industry to Northwest fishing boats. She is a graduate of the University Of Washington Foster School Of Business with a Bachelor’s degree in Accounting.

 
Annamarie Calkins

Sr Director, Accounting

Annamarie Calkins has worked for the organization for over 13 years and oversees the Accounting Department. 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 Bachelor of Arts in Business Administration from the University of Washington and is currently working towards earning her CPA license.

 
Adele Larkin

Manager, Nootka Marine Adventures

Adele Larkin, General Manager, Nootka Marine Adventures. With over 20 years of hospitality experience in BC, Adele’s background spans successful positions with the Whistler Lodging Company, Sundial Boutique Hotel in Whistler, Whistler Blackcomb Mountain, Sunrise Ridge Waterfront Resort in Parksville, BC and Black Rock Oceanfront Resort in Ucluelet, BC.

Her achievements include double digit revenue growth, streamlined operating procedures, lowered operation costs. Her passions include managing and branding unique destination resorts in the adventure travel industry. Nootka Marine Adventures Ltd. is now the largest fishing resort operator on the West Coast of Vancouver Island, with three resorts that tailor to the needs of every angler, whether they arrive alone, with family, or in a large group. Each resort offers an unparalleled, professional guided sport fishing and wildlife adventure experience.