Blaine Annett founded A Street Partners in 2017 with his brother Colby Annett and both are responsible for the overall performance of the company. Prior to starting A Street Partners, in 2009 Blaine and his brother pioneered and started the West Coast office for Stream Realty Partners. Blaine has been hired by customers such as RREEF, Invesco, Gemdale U.S.A., Guggenheim, KBS Realty Advisors, HighBrook Investment Management, Mark IV Capital, Interventure Advisors, Dolphin Partners, Crow Holdings, Hillwood, and Clarion. Blaine lives in Turtle Rock in Irvine with his wife Jennie, Harper, and Smith.

Texas Tech University -Rawls College of Business

Bachelor of Business Administration 

(B.B.A.), Finance

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Blaine Annett founded A Street Partners in 2017 with his brother Colby Annett and both are responsible for the overall performance of the company.

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Colby Annett founded A Street Partners in 2017 with his brother, Blaine Annett.  Colby’s primary responsibilities include overseeing the growth of the leasing and property management for the company as well as recruiting talent. Colby was instrumental in helping to win new assignments with such clients as: KBS Realty Advisors, RREEF, Guggenheim, Interventure Advisors, Invesco Real Estate, HighBrook Investment Management, Knobbe Martens Greenlaw Partners, Dolphin Partners, True North Management Group and Mark IV Capital.

Colby exudes a true passion for people and the industry. He commits whole-heartedly to every challenge and/or opportunity that presents itself--both qualities contribute to his success.

Texas Tech University -Rawls College of Business

Bachelor of Business Administration 

(B.B.A.), Finance

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Colby Annett founded A Street Partners in 2017 with his brother, Blaine Annett.  Colby’s primary responsibilities include overseeing the growth of the leasing and property management for the company as well as recruiting talent.

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Mark joined A Street in 2018 and has been in the real estate accounting industry for over 25 years. Mark has worked with both large and small property management companies and investment firms in Southern California and the Phoenix area including Opus, RREEF/Deutsche Bank and Sares-Regis. In 2000 Mark set up a regional accounting office in Phoenix for RREEF and in 2002 relocated to Orange County to help oversee a larger regional RREEF office of about 80 accounting professionals which handled over 30 million square feet of commercial real estate in California and Arizona. Mark and his family live in Irvine, CA where he enjoys golfing, hiking and attending his son’s team sporting events.

Arizona State University – W.P. Carey School of Business

Bachelor of Science (B.S.), Finance

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Mark joined A Street in 2018 and has been in the real estate accounting industry for over 25 years.

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As Regional Vice President of Property Management, Mike Meyer is responsible ensuring client satisfaction within portfolio of managed properties.  His experience spans 25 years in roles of increasing responsibility in property management and client development. He has previously served as Regional Vice President with Lincoln Property Company (through its 2023 acquisition of RiverRock Real Estate Group) and as Director with Cushman & Wakefield.

As Regional Vice President of Property Management, Mike Meyer is responsible ensuring client satisfaction within portfolio of managed properties.  His experience spans 25 years in roles of increasing responsibility in property management and client development. He has previously served as Regional Vice President with Lincoln Property Company (through its 2023 acquisition of RiverRock Real Estate Group) and as Director with Cushman & Wakefield.

Maria Holsinger joined A Street Partners in 2025 with over 16 years of commercial real estate experience at Lincoln Property Company (formerly RiverRock Real Estate Group). Known for her collaborative leadership and strong financial acumen, she has successfully led high-performing teams and managed operations for over 5 million square feet of commercial assets.

Maria brings deep expertise in tenant relations, financial analysis, and property management across diverse asset types. She holds a degree in Physics from the University of Oxford, is a Certified Property Manager (CPM®), and a licensed real estate salesperson.

Maria Holsinger joined A Street Partners in 2025 with over 16 years of commercial real estate experience at Lincoln Property Company (formerly RiverRock Real Estate Group). Known for her collaborative leadership and strong financial acumen, she has successfully led high-performing teams and managed operations for over 5 million square feet of commercial assets.

Maria brings deep expertise in tenant relations, financial analysis, and property management across diverse asset types. She holds a degree in Physics from the University of Oxford, is a Certified Property Manager (CPM®), and a licensed real estate salesperson.