"None of us is as smart as all of us."


The People of SENTRE

SENTRE Partners is proud of its hardworking and dedicated team. By offering a collaborative, family-friendly environment and opportunities for career advancement, we have attracted a talented and diverse pool of employees, some of whom have been with the Company for over 20 years.

Stephen B. Williams

Managing Principal

Steve Williams, Principal, co-founded SENTRE Partners in 1989. Steve focuses on new clients, new concepts and new ideas. He developed a relationship with GE Pension Trust, which together with SENTRE Partners became a major stakeholder in downtown San Diego. Steve also co-founded Vesta with Lorenzo Berho. Incorporated in 1997, Vesta is a Mexican industrial real estate fund, with approximately 13 million square feet of leased industrial properties located throughout Mexico.

Steve is a co-founder of Bandwidth Now which transforms commercial buildings into “next gen” environments, treating bandwidth as a utility and Wi-Fi as an amenity using its patent pending Building Optical Network (BON). Bandwidth Now and SENTRE were nominated by Intel for the Computerworld Honors Program’s 21st Century Achievement Award.

Steve was formerly a partner with Trammell Crow Company, where he was responsible for the San Diego division. Prior to that, he was an investment salesman for Coldwell Banker in their Santa Ana office. Steve began his career as a certified public accountant with Arthur Young and Co. in San Francisco.

Steve is a grandson of Arthur Banker, co-founder of Coldwell Banker (now CB Richard Ellis, or CBRE). He is a past recipient of the Alonzo Horton Founder’s Award, downtown San Diego’s most prestigious honor. For more than ten years, Steve taught a one-hour class for Junior Achievement at an inner-city high school, and was named Consultant of the Year in 2000. Steve graduated from UCLA in 1972 and received an MBA from USC in 1974. He is a licensed CPA and licensed real estate salesman. He is active in ULI and was a former national board member of NAIOP.

He is active in the community and currently serves on the boards of the San Diego Regional Economic Development Corporation, San Diego Chamber of Commerce and CONNECT. He has previously served as Chair of LEAD San Diego. He has also served on the boards of the Burnham Institute and the Reuben H. Fleet Science Center. Steve and his wife, Stephanie, have two grown children.

Matthew T. Spathas

Managing Principal

Matt Spathas is a Managing Principal and responsible for investment acquisitions and value added strategies. Matt has over 30 years of real estate experience, having acquired, developed, managed, or facilitated in excess of $2.5 billion of real estate transactions. Prior to joining SENTRE, Matt spent 8 years with Trammell Crow Company, the nation’s largest commercial development company.

Matt has served at point on several major acquisitions including NBC Building (330,000 SF | $96MM), AT&T Building (385,000 SF | $123MM), One America Plaza (550,000 SF | $300MM), San Diego Tech Center (650,000 SF | $150MM), Koll Center (385,000 SF |$150MM), Columbia Center (550,000 SF | $180MM), Wateridge Plaza (280,000 SF | 98$MM) and Pacific Center (450,000 SF | $200MM).

Matt also serves as CEO of Bandwidth Now, which transforms commercial buildings into “next gen” environments, treating bandwidth as a utility and Wi-Fi as an amenity using its patent pending Building Optical Network (BON). Bandwidth Now and SENTRE were nominated by Intel for the Computerworld Honors Program’s 21st Century Achievement Award.

In 2004, Matt journeyed to Asia with Realcomm on a mission to seek out next generation real estate and best practices touring 38 buildings in 5 countries and 12 cities. This tour also included visiting two K thru 12 international schools, the Western Academy of Beijing and Concordia International School of Shanghai.

He has participated on several real estate thought leadership panels throughout the US including Realcomm, UNC Charlotte, Cisco, and Intel. SENTRE’s leading edge next generation buildings have been profiled in the Wall Street Journal, Cisco’s IQ Magazine and Fast Company Magazine. Matt’s vision for education has been profiled in the University of San Diego Horizons Magazine and the Voice of San Diego – 21st Century School House and Trashing the Chalkboards.

Matt served as a board member of Aztec Venture Network, a San Diego-based seed capital and mentoring resource available to qualified early-stage companies in need of financing and business coaching expertise in order to advance their business plan.

In 2008, Matt was honored by Oregon State University’s College of Business at its 100th year anniversary of Innovative Global Leaders which honored 100 graduates. The featured 100 are a “who’s who” of Oregon, national and global business leaders.

Passionate about education, Matt worked with teachers, district staff and community to launch in a cluster of public schools in San Diego on Project Light Speed which is a series of digital initiatives intended to provide digital resources and tools for teachers and students and increase awareness of the need for 21st Century transformation – all geared to engage and empower students. A key initiative of Project LightSpeed was Live Homework Help, free online tutoring service for students which was a collaborative effort of vision and funding by SDUSD, the City of San Diego and private business – one of the first of its kind in the US. To learn more, see Trashing The Chalkboards.

Matt is a frequent speaker in educational forums on the topic “Engaging, Empowering and Preparing Students for the 21st Century.” Matt was invited by the San Diego County Office of Education to address over 300 School Superintendents, Principals throughout San Diego County about Skills of the 21st Century Workplace. He has also presented to:

Matt is a graduate of Oregon State University. He is a licensed real estate broker in the California. He is active in the San Diego community serving as past President of Big Brothers Big Sisters San Diego and Matt was a recipient of Big Brothers Man of the Year Award. Matt also served as the Point Loma Cluster Schools Foundation President.

Currently Matt serves on the University of San Diego School of Leadership and Education (SOLES) Advisory Board and the Board of Directors of e3 Civic High, a new public charter high school located in the recently completed San Diego Public Library. This urban mixed use project is believed to be the first of its kind in the US – a school inside of a public library building.

Matt is involved at San Diego State University, as a founding member of Hoopla, which has raised over $1 million to support academic achievement of student athletes. Matt and his wife Kris have four children.

Michael P. Peckham

Managing Principal

Michael Peckham is a Founding Partner of SENTRE Partners and has over 30 years of commercial real estate experience in management, development and leasing. Additionally, he has acted as a court-appointed receiver on properties throughout Southern California.

Mike graduated from California Polytechnic State University, San Luis Obispo. He has been a Certified Property Manager (CPM®) since 1985, and is a member of both the Building Owners & Managers Association (BOMA) and the Institute of Real Estate Management (IREM).

Mike was formerly employed as a Senior Asset Manager by The Koll Company in San Francisco and San Diego, and was responsible for the direct management of The Wells Fargo Plaza and Koll Center San Diego office buildings.

Since co-founding SENTRE Partners in 1990, Mike has led the transition team in the successful turn-around of the following high-rise buildings; Comerica Bank Building (600 B St.), NBC Building (225 Broadway), AT&T Plaza (101 West Broadway), Koll Center San Diego (501 West Broadway), and One America Plaza (600 West Broadway).

Mike is active in the San Diego community, serving on the Board of Trustees for Rady Children’s Hospital and Health Center. Mike is the founder of the “Fantasy on Ice” skating rink, located downtown, which over the past 17 years has donated over $1,500,000 to Children’s Hospital Cancer Care. Mike has also served on the board of the Leukemia Society of America. He is a member of the San Diego Yacht Club, California Farm Bureau, La Jolla High School Foundation Board, and other affiliations throughout San Diego.

Mike is a second-generation San Diegan who grew up in Point Loma. His family has been involved in commercial real estate in San Diego for over 100 years. Mike is married with 3 children, and enjoys outdoor activities, coaching, and sports with his 3 children.

Douglas M. Arthur

President & CEO

Douglas Arthur, President of SENTRE Partners, oversees the company’s investment and services platform and is active in the company’s acquisitions, development and transactional services.

Doug joined SENTRE Partners in 2004. Prior to becoming President, Doug founded the company’s multi-family program that focuses on acquiring and developing multi-family properties throughout Southern California. He also led the company’s development services group which included the development of a Class A office building and the extensive renovation of multiple anchored retail centers. Doug has also played a key role in the company’s transactional services group which specializes in the representation of both landlords and tenants in lease transactions.

Doug is currently enrolled in Harvard Business School’s OPM Executive Education program (estimated 2016 graduation) and received a Masters in Real Estate from the University of San Diego. Doug also graduated with honors from the University of California, Santa Barbara where he was the two-time captain of their Division I water polo team. He is a licensed real estate broker in the State of California and has earned the CCIM (Certified Commercial Investment Member) and LEED AP (Leadership in Energy & Environmental Design) designations.

Doug is active in the community and has raised nearly $300,000 for Rady Children’s Hospital, the Pancreatic Cancer Action Network and Voices for Children on behalf of the annual Nikki St. Germain Memorial Golf Tournament. Doug is a member of the Young Presidents’ Organization (YPO) and sits on Voices for Children’s Community Ambassador’s Council. He is also an active member in the National Association of Office & Industrial Properties (NAIOP) and the Urban Land Institute (ULI).

Doug and his wife Remley have two children, Sally and Milan.

John F. Brand

Chief Operating Officer

John Brand is Chief Operating Officer, and oversees our asset and property management services and our construction and development services. He has led the effort to refurbish, reposition, and infuse sustainability into our Class A assets.

John joined SENTRE Partners in 1992 and has over 35 years of real estate experience. Prior to joining SENTRE, John spent 10 years in San Diego with The John D. Lusk Company and Rick Engineering Company, respectively, where he assisted in the acquisition, entitlement, and development of over 3,000 residential units and over 150 acres of industrial land in San Diego County and led Rick Engineering Company’s land use planning team.

John is a graduate of California Polytechnic State University, San Luis Obispo, with a degree in City & Regional Planning from the School of Architecture and Environmental Design. He is a licensed real estate agent in the State of California. John is a member of the American Planning Association and the US Green Building Council and has received the American Institute of Certified Planners (AICP) designation and LEED AP, respectively.

John is a 4th generation San Diegan; active in the San Diego community. John and his wife, Diana, have three children.

Eric R. Beck

Chief Financial Officer

Eric Beck serves as SENTRE’s CFO. He has over 30 years of experience in real estate accounting, risk management and finance, which includes tenures with land development, commercial office/industrial, multi-family and residential development companies. Prior to joining SENTRE, Eric was most recently with William Lyon Homes, Inc., where he served as Regional Controller for their Inland Empire operations. Eric is a graduate of San Diego State University. He is a Certified Public Accountant (inactive) in the State of California, a Certified Global Management Accountant, and is active in his church. Eric and his wife, Diane, have two children.

Christopher N. Carter


Chris Carter is a Director on SENTRE’s investment and transactional services team. Responsible for sourcing and underwriting new acquisitions, Chris is also charged with structuring joint venture partnerships, arranging financing, and coordinating development and redevelopment activities. Additionally, Chris assists SENTRE’s clients in the execution of various real estate transactions including acquisitions, dispositions, financing and lease transactions.

Prior to joining SENTRE, Chris was a Senior Associate at Flocke & Avoyer Commercial Real Estate. While at Flocke & Avoyer, he was the exclusive sales and leasing agent for retail centers throughout San Diego County owned by both institutional and private clients. Chris was also active in retail tenant representation.

Born and raised in Australia, Chris holds a Bachelor Degree in both Business and in Politics from Monash University (Melbourne, AUSTRALIA), and has a Masters in Real Estate from the University of San Diego. Chris is a licensed California real estate Broker, and is an active member of the International Council of Shopping Centers (ICSC). Chris enjoys living in coastal San Diego with his wife Lauren.

Ann Johnson


Ann Johnson serves as Director of SENTRE’s Management Services Division, where she provides oversight to the teams that manage the day-to-day operations of SENTRE’s portfolio holdings and third-party management sites. Ann rejoined SENTRE Partners in September 2004, and has over 25 years of real estate management experience, including office, R&D, industrial and retail properties. Previously, Ann worked for Pardee Construction Company in San Diego, where she was responsible for office and retail property management and leasing. Prior to her position at Pardee, she was a Leasing Agent with Grubb and Ellis Commercial Real Estate in Carlsbad.

Ann graduated from California Polytechnic State University, Pomona, with a B.S. degree in Business Administration/Computer Information Systems. She is a licensed real estate salesperson in the State of California. Ann is an active member with the Institute of Real Estate Management (IREM) where she holds the Certified Property Manager (CPM®) designation, and participates in the Building Owners and Managers Association (BOMA).

Ann is active in the community with LIGA (Flying Doctors of Mercy), assisting medical service providers in underserved populations of both local and remote locations within Mexico. Ann and her husband Dana have lived in San Diego County since 1988, and have two daughters.

David West

Chief Information Officer

David West is SENTRE’s Chief Information Office. He is responsible for maintaining the sophisticated IT infrastructure that makes SENTRE Partners one of the most cutting-edge commercial real estate and investment companies in San Diego.

Dave also oversees Bandwidth Now, helping to transform commercial buildings into “next gen” environments by supervising the installation of the company’s patent-pending Building Optical Network (BON). In 1999, he spearheaded an initiative with Intel to create Intel Inside® within a commercial office building. As a result of this collaboration, Bandwidth Now and SENTRE Partners were nominated by Intel for the Computerworld Honors Program’s 21st Century Achievement Award.

Dave is a Microsoft Certified Systems Engineer (MCSE) and a Cisco Certified Network Professional (CCNP). In 2009, he worked with Cisco to establish an in-house call manager for SENTRE’s Voice-over Internet Protocol (VoIP) phone system, reducing costs and eliminating the company’s reliance on external providers.

Before coming to SENTRE Partners, Dave served in the United States Navy for 10 years as an Electronic Engineer and Information Technology Specialist.

He stays active in the community by joining up with SENTRE Principal Matthew Spathas in transforming education throughout San Diego.

On his free time, he is passionate about flying and recently became a licensed pilot. Dave has one son, Joshua.

Shawna James

Director of Operations & HR

Shawna James serves as Director of Operations & HR for SENTRE Partners. With a background in business management consulting, corporate training and development, and coaching, Shawna James has spent years helping organizations, especially via their most critical asset, personnel, to optimize their resources and achieve the highest possible efficiencies and return.

Shawna began working with SENTRE Partners in 2010 as a consultant to support an ever-growing property management division, focusing on creating and refining business processes as they related to insurance, leasing administration and overall communications. Her background as a business consultant and operations strategist allows her to focus on providing efficiencies, best practices and training materials to further SENTRE’s focus on excellence and greater effectiveness across all divisions.

Shawna is trained as a Certified Master Practitioner of Neuro-Linguistic Programming with a focus on effective communication models. Her certifications in Time Line Therapy® and Hypnosis by the ABNLP/ABH have assisted in multiple environments including areas of PTSD and addiction. This background has enhanced her ability to support unique personnel challenges that can cross-over and affect healthy work environments.

She gives back to the community by working with victims of violence who are facing the challenges of PTSD as well as working with families affected by addiction. With a passion for giving our youth “real-life” skills and the tools needed to build a life of their dreams, Shawna has partnered with Dream Job University, Youth Employment Program and other organizations to provide career and entrepreneurship training. She speaks at events regarding effective communication, work/life balance, and personal development.

Phone:  619-234-5600 x1736     Email: sjames@sentre.com

225 Broadway, Suite 2075,
San Diego, CA 92101

Phone: (619) 234-5600