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The LargestPrivate Healthcare Real EstateInvestment Management Firm Globally -
More than$4 billionin assets under management internationally -
$16+ billionin healthcare real estate transactions
About Us
Founded by Jeff Hanson, Danny Prosky and Mathieu Streiff, American Healthcare Investors has grown to become one of the nation’s most active buyers and managers of healthcare real estate.
Jeff Hanson
Founding Principal
Jeff Hanson and his two business partners, Danny Prosky and Mathieu Streiff, founded American Healthcare Investors, a leading sponsor of publicly registered healthcare REITs that currently manages an international portfolio valued at approximately $4 billion, based on aggregate purchase price. American Healthcare Investors is the largest privately held healthcare real estate investment firm globally.
Hanson serves as the chairman and chief executive officer of each of the REITs the company sponsors, which currently include Griffin-American Healthcare REIT III and Griffin-American Healthcare REIT IV. These REITs are valued at approximately $3.1 billion and $1.2 billion, respectively.
Hanson also served as chairman and CEO of the firm's prior REIT, Griffin-American Healthcare REIT II, which built a portfolio of international healthcare real estate valued at approximately $3 billion. Griffin-American Healthcare REIT II was sold in December 2014 to NorthStar Realty Finance (NYSE: NRF), now Colony Capital (NYSE: CLNY), in a transaction valued at $4 billion.
Over the past five years American Healthcare Investors and its affiliates have raised $4.5 billion in investor equity and have acquired $6.5 billion in healthcare real estate internationally for its sponsored REITs.
Prior to founding American Healthcare Investors, Hanson served as one of five executive officers of Grubb & Ellis Company (NYSE: GBE). In this role, he operated in a dual-capacity as CEO of the firm's investment management subsidiary, Grubb & Ellis Equity Advisors, and as chairman and CEO of Grubb & Ellis Healthcare REIT II (later renamed Griffin-American Healthcare REIT II). He led this 600-employee national investment management platform, comprised of public non-traded REITs, institutional joint ventures, separate accounts, and private syndications, from 2006 to the point at which American Healthcare Investors was founded to absorb Grubb & Ellis' healthcare REIT business.
Hanson earned a Bachelor of Science in business administration with a dual emphasis in corporate and real estate finance from the University of Southern California. He currently resides in Laguna Hills with his wife and four children.
Current Board Roles
- Griffin-American Healthcare REIT III (board chair)
- Griffin-American Healthcare REIT IV (board chair)
- Fountain of Life – Antioch (board member)
- World Presidents' Organization (board member)
Previous Board Roles
- Forum of Christian Business Leaders (board chair)
- Fuller Theological Seminary (trustee)
- Sterling College (trustee)
- Young Presidents' Organization (board member)
- Griffin-American Healthcare REIT II (board chair)
Danny Prosky
Founding Principal
Danny Prosky is a founding principal of American Healthcare Investors, which manages a diversified portfolio of healthcare real estate valued in excess of $8.3 billion located throughout the United States and the United Kingdom. He currently serves as the president and chief operating officer of Griffin-American Healthcare REIT IV, Inc., as well as the president, chief operating officer and a director of Griffin-American Healthcare REIT III, a publicly registered real estate investment trust that has raised approximately $1.9 billion and has acquired a multi-billion dollar portfolio of medical office buildings, hospitals, senior housing and skilled nursing facilities. Prosky previously served in an identical capacity with Griffin-American Healthcare REIT II, which merged in December 2014 with NorthStar Realty Finance Corp. (NYSE: NRF) in a transaction valued at approximately $4 billion.
Prosky has spent more than 24-years of his professional career in the specialized field of healthcare real estate investment, where he has been responsible for more than $10 billion in transactions. He previously served as executive vice president of healthcare real estate with Grubb & Ellis Company.
Prior to launching Griffin-American Healthcare REIT II in 2009 (then known as Grubb & Ellis Healthcare REIT II), Prosky served as executive vice president of Grubb & Ellis Healthcare REIT (now known as Healthcare Trust of America, Inc.), directly overseeing the acquisition of more than $1.5 billion of healthcare real estate.
Previously, Prosky served in a variety of senior positions for 14 years with two publicly traded healthcare REITs, American Health Properties and HCP, Inc. (NYSE: HCP). HCP, which acquired American Health Properties in 1999, is one of the largest publicly traded healthcare REITs in the nation.
Prosky received a bachelor’s degree from the University of Colorado and a master’s degree from Boston University. In October 2013, he was recognized as one of 16 "pioneers of healthcare real estate" by Real Estate Forum magazine.
Mathieu Streiff
Founding Principal
Mathieu Streiff is a founding principal of American Healthcare Investors, one of the nation's leading healthcare real estate investment management firms with more than $8.3 billion in clinical assets under management throughout the United States and the United Kingdom. He also serves as executive vice president and general counsel of Griffin-American Healthcare REIT III and Griffin-American Healthcare REIT IV, both of which are publicly registered real estate investment trusts co-sponsored and managed by American Healthcare Investors and its affiliates. Streiff held identical positions with Griffin-American Healthcare REIT II prior to its $4 billion merger with NorthStar Realty Finance Corp. (NYSE: NRF) in December 2014.
Prior to co-founding American Healthcare Investors, Streiff served as executive vice president and general counsel of Grubb & Ellis Company, where he oversaw all legal matters for that company, including its investment management and real estate services operations.
Streiff served as senior vice president of investment operations and chief real estate counsel for Grubb & Ellis' investment management subsidiary prior to his appointment as general counsel. In this role, Streiff was responsible for all real estate-related legal matters, and directly oversaw the operations of the company's public, private, and institutional investment vehicles, including acquisitions, dispositions and structured finance functions across a diverse range of investment offerings.
Previously, Streiff served as an associate in the real estate department of Latham & Watkins LLP in New York, where he represented principals, developers and lenders in structuring commercial real estate transactions for clients including General Electric, Goldman Sachs, and Healthcare Properties, Inc.
Streiff earned a bachelor's in environmental economics and policy from the University of California, Berkeley and a juris doctorate from Columbia University. Streiff is a member of the New York bar.
American Healthcare Investors is guided by a simple proposition – our success is predicated upon the success of those we serve, those who entrust us to build and manage their real estate investment portfolios. Our principal executives share decades of experience in commercial real estate investing, with particular expertise in the specialized field of healthcare real estate. We are personally and financially invested in the programs we offer, standing shoulder-to-shoulder with every investor.
Who are we?
American Healthcare Investors is a real estate investment firm that specializes in the acquisition and management of healthcare-related real estate. The company was founded by industry leaders Jeff Hanson, Danny Prosky and Mathieu Streiff, a trio with more than 50 years of combined real estate investment experience who have directly overseen in excess of $26 billion in aggregate acquisition and disposition transactions over the course of their careers, more than $16 billion of which has been healthcare-related. Working as a team since 2006, Hanson, Prosky and Streiff formerly led the successful investment management subsidiary of Grubb & Ellis Company prior to founding American Healthcare Investors.
What we've done
American Healthcare Investors and its affiliates served as the co-sponsor (along with Griffin Capital Corporation) and manager of Griffin-American Healthcare REIT II from January 2012 until December 2014. Under the company's stewardship, Griffin-American Healthcare REIT II expanded its portfolio of medical office buildings, hospitals, seniors housing and skilled nursing facilities to nearly $3 billion of assets located throughout the United States and the United Kingdom, based on aggregate purchase price. Ultimately, Griffin-American Healthcare REIT II merged with NorthStar Realty Finance Corp. (NYSE: NRF) in a transaction valued at approximately $4 billion on December 3, 2014.
In February 2014, Griffin-American Healthcare REIT III was launched to provide an additional healthcare real estate investment opportunity to individual investors. Again co-sponsored by American Healthcare Investors and Griffin Capital Corporation, the REIT proved extraordinarily popular among investors, raising approximately $1.9 billion by February 2015. American Healthcare Investors has thus far acquired a diverse portfolio of healthcare real estate on behalf of the stockholders of Griffin-American Healthcare REIT III valued at approximately $3 billion, based on aggregate contract purchase price as of September 30, 2018.
With the portfolio buildout of Griffin-American Healthcare REIT III essentially complete, in February 2016 Griffin-American Healthcare REIT IV was launched to once again provide individual investors with an opportunity to invest in healthcare real estate. Griffin-American Healthcare REIT IV purchased its first property in June 2016 and as of January 2019 has acquired a 3.8 million-square-foot portfolio of 69 medical office buildings, senior housing facilities and skilled nursing facilities located in 21 states, in addition to an interest in a joint venture which owns and operates a portfolio of integrated senior health campuses and ancillary businesses, for an aggregate contract purchase price of approximately $914.8 million. Additionally, the company is pursuing approximately $109.5 million in additional pending acquisitions1 which would result in a total portfolio of approximately 99 healthcare buildings located in 22 states comprised of approximately 4.6 million square feet of gross leasable area upon the successful completion of these potential acquisitions.
In total, American Healthcare Investors manages an international portfolio of healthcare real estate valued in excess of $4 billion on behalf of multiple investment programs that include thousands of individual and institutional investors.
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(1) Comprised of prospective real estate acquisitions for which the company has executed letters of intent and/or purchase and sale agreements as of December 31, 2018. These prospective acquisitions are subject to substantial closing conditions and the satisfaction of other requirements as detailed in the agreements. Accordingly, the closing of some or all of these pending transactions may not occur.
Kenny Lin
Executive Vice President, Accounting & Finance
Kenny Lin serves as executive vice president, accounting & finance for American Healthcare Investors, as well as vice president, accounting & finance of Griffin-American Healthcare REIT III and Griffin-American Healthcare REIT IV, which are co-sponsored and managed by American Healthcare Investors. He is responsible for all financial forecasting, accounting and tax matters on behalf of such companies. Lin has 15 years of experience in both finance and accounting for real estate and real estate-related companies. Prior to joining American Healthcare Investors, he served as the chief accounting officer and then chief financial officer of the largest, privately-owned telecommunications infrastructure company in the U.S., where he oversaw the accounting, taxation, financial reporting and human resources functions of the company. He has also participated in the successful completion of many business merger transactions or acquisitions and played a key role in managing several initial public filings (SEC Forms S-1 and S-11) and business merger filings (SEC Form S-4), including the merger between NNN Realty Advisors, Inc. and Grubb & Ellis Company in 2008. Throughout his career, Lin has served in various financial accounting roles within publicly traded companies, including Johnson & Johnson, BNY Mellon Bank, and STAAR Surgical Company. Lin received a bachelor's degree in accounting from California State University, Los Angeles and a master of accounting degree from the University of Southern California. Lin is a licensed certified public accountant in the State of California, and he is also a certified financial planner and certified management accountant.
Wendie Newman
Executive Vice President, Asset Management
Wendie Newman serves as executive vice president, asset management for American Healthcare Investors, one of the country's leading investors and managers of healthcare-related real estate, as well as vice president, asset management for Griffin-American Healthcare REIT III and Griffin-American Healthcare REIT IV. In this capacity, she directs the strategic asset and portfolio management function of a nationwide portfolio of medical office buildings totaling 189 buildings and 7.6 million square feet.
Newman joined American Healthcare Investors from Ventas' (NYSE: VTR) wholly owned medical office affiliate, Lillibridge Healthcare Services, where she oversaw the company's medical office building assets in the Western United States, which included approximately 122 medical office buildings totaling 7.1 million square feet. Ventas is one of the largest healthcare real estate investment trusts in the country. Prior to Lillibridge, Newman held a similar role at Nationwide Health Properties, where she oversaw the company's national medical office building portfolio until their acquisition by Ventas, Inc. in 2011.
Earlier in her career, Newman held senior positions with PM Realty Group, Sares-Regis Group and CBRE, where she was involved in various real estate activities including acquisitions, dispositions, asset management, leasing and operations for multiple commercial asset types.
Newman received a bachelor's degree in business administration from the University of Southern California, and a master's of business administration from California State University, Long Beach.
Ray Oborn
Executive Vice President, Asset Management
Ray Oborn serves as executive vice president, asset management for American Healthcare Investors. He is responsible for the management of the company's approximately $2.9 billion portfolio of senior housing, skilled nursing and hospital assets throughout the United States and the United Kingdom. With more than 25 years of senior level experience in the healthcare space, Oborn has extensive experience in the administration and development of facilities that provide independent living, assisted living, Alzheimer's/memory care and skilled nursing for seniors.
Prior to joining American Healthcare Investors, Oborn served as president of Cherrywood Pointe Investment, LLC and executive vice president of United Properties, a real estate investment and development company based in Minneapolis, MN. As president of Cherrywood Pointe, Oborn was directly responsible for managing the firm's senior housing portfolio and strategic growth initiatives.
Previously, Oborn served as senior regional vice president of operations for Brookdale Senior Living from 2014 to 2017. In this capacity, he was responsible for the operations of more than 50 communities in six states across the Mountain West region. He also previously served in executive capacities with New Perspective, Silverado and Sunrise Senior Living, where he was the senior vice president of operations for the western division and oversaw in excess of 70 communities in the Western US and Canada. He began his career with ManorCare Health Services in 1995 as a licensed nursing home administrator.
Oborn received a bachelor's degree in behavioral science and health and an MBA from the University of Utah.
Stefan Oh
Executive Vice President, Acquisitions
Stefan Oh serves as executive vice president, acquistions for American Healthcare Investors. His 23-year career in commercial real estate began as an auditor within Ernst & Young LLP's EYKL Real Estate Group in Los Angeles, California in 1993. In 1999, he joined HCP, Inc. (NYSE: HCP), one of the largest publicly traded healthcare REITs in the nation, where he served as director of asset management and later as director of acquisitions. Oh joined Grubb & Ellis Company's investment management division in 2007 as vice president of acquisitions, healthcare real estate, and helped launch Griffin-American Healthcare REIT II in 2009, serving as its senior vice president-acquisitions until its $4.0 billion merger with NorthStar Realty Finance Corp. (NYSE: NRF) in December 2014. He currently serves as senior vice president-acquisitions for Griffin-American Healthcare REIT III and executive vice president-acquisitions for Griffin-American Healthcare REIT IV, both of which are publicly registered real estate investment trusts co-sponsored and managed by American Healthcare Investors and its affiliates. Oh has participated in the acquisition of more than $13.5 billion of healthcare real estate during his career. He received a bachelor's degree from Pepperdine University and is a certified public accountant.
Brian Peay
Executive Vice President & Chief Financial Officer
Brian Peay serves as executive vice president and chief financial officer of American Healthcare Investors, as well as chief financial officer of Griffin-American Healthcare REIT III and Griffin-American Healthcare REIT IV, which are co-sponsored and managed by American Healthcare Investors. He oversees all financial matters on behalf of the companies, leading a team of approximately 70 experienced accounting professionals, all of whom have specialized experience in healthcare-related commercial real estate investment. Peay previously served as the chief financial officer of Veritas Investments, Inc., a private real estate investment management company with more than $2 billion of assets under management. Prior to joining Veritas, Peay served in a series of management positions with Glenborough, LLC, a formerly New York Stock Exchange-listed REIT, ultimately as executive vice president and chief financial officer. During his 15-year career with Glenborough, Peay was a member of a four-person executive management committee responsible for the strategic direction of the company, including the raising of approximately $450 million in common stock offerings and another $300 million in a convertible preferred stock issuance, as well as $2.5 billion in new and replacement acquisition financing. He also played an integral role in the sale of the formerly publicly traded real estate investment trust to Morgan Stanley Real Estate Fund. The sale resulted in a compounded annual total return in excess of 16 percent, or more than 5,000 basis points higher than the corresponding REIT index during the same 11-year period during which Glenborough was a public company.Peay began his professional career in 1988 as a manager with accounting firm Kenneth Leventhal & Company, which merged with Ernst & Young in 1995. He received a bachelor's degree in business economics from the University of California, Santa Barbara and earned a CPA designation from the state of California, which is currently inactive..
Gabe Wilhite
EVP, General Counsel
Gabe Wilhite has served as the executive vice president and general counsel for American Healthcare Investors, as well as assistant general counsel — transactions for Griffin-American Healthcare REIT III and Griffin-American Healthcare REIT IV, since January 2020. He previously served as American Healthcare Investors' senior vice president, assistant general counsel — transactions upon joining the firm in April 2016. Prior to joining American Healthcare Investors, from November 2012 until April 2016, Willhite served as legal counsel for Sabal Financial Group, L.P., a real estate and finance company based in Newport Beach, California which was a subsidiary of Oaktree Capital Management, where he was responsible for overseeing portfolio acquisitions, financings, joint ventures, dispositions and strategic workout transactions. Wilhite has also served as an associate in the transactional practice group of Greenberg Traurig, LLP in Irvine, California. He earned a bachelor's degree in political science and communication from the University of Southern California and a juris doctorate from the University of Minnesota Law School. Wilhite a member of the California State Bar Association.
Charlynn Diapo
Senior Vice President, Accounting & Finance
Charlynn Diapo serves as senior vice president, accounting & finance for American Healthcare Investors, where she has comprehensive oversight of corporate accounting operations and consolidated financial reporting for American Healthcare Investors as well as financial reporting of its sponsored real estate investment trusts, Griffin-American Healthcare REIT III and Griffin-American Healthcare REIT IV. She served in a similar capacity for Griffin-American Healthcare REIT II until its $4 billion merger with NorthStar Realty Finance Corp. in December 2014. Since 2008, Diapo has served in various financial management positions as a key leader overseeing the financial accounting, reporting and compliance of various REIT portfolios invested in healthcare, apartment and industrial real estate. Prior to joining American Healthcare Investors in 2013, she served as vice president and controller of the North American portfolio of DEXUS Property Group, a publicly traded Australian REIT. At DEXUS, she executed the internalization of the U.S. finance and accounting function for a $1.3 billion industrial real estate portfolio. Throughout her career, Diapo has served in various financial accounting roles within publicly traded companies, including Grubb & Ellis Company and City National Bank. She began her professional career in 2002 as an auditor at Deloitte & Touche, focusing on clients within the financial services industry. Diapo earned a bachelor's degree from the University of California, Los Angeles in mathematics and applied science, with a minor in accounting. She is a licensed certified public accountant in the State of California.
Cora Lo
Senior Vice President, Assistant General Counsel - Corporate
Cora Lo serves as senior vice president, assistant general counsel - corporate of American Healthcare Investors, as well as corporate secretary and assistant general counsel of Griffin-American Healthcare REIT III and Griffin-American Healthcare REIT IV. Lo is responsible for all corporate and securities compliance in connection with the multi-billion dollar securities offerings and publicly registered companies sponsored by American Healthcare Investors. She previously served in an identical capacity for Griffin-American Healthcare REIT II until its $4 billion merger with NorthStar Realty Finance Corp. (NYSE: NRF) in December 2014. Prior to joining American Healthcare Investors, Lo served as senior corporate counsel for Grubb & Ellis Company, as well as senior corporate counsel and securities counsel for various investment management subsidiaries of Grubb & Ellis from 2005 through 2011. Previously, she spent more than three years as general counsel of a publicly traded company and an additional three years in private practice. Lo received a bachelor's degree from the University of California, Los Angeles and a juris doctorate from Boston University. She is a member of the California State Bar Association.
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Portfolio
American Healthcare Investors manages a growing portfolio of medical office buildings, hospitals, senior housing and skilled nursing facilities valued in excess of $4 billion (based on aggregate purchase price) located throughout the United States and the United Kingdom.
News
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