Our People

Mr. Moratorio serves as the Chief Information Officer for Griffin Capital Company, LLC where he is responsible for overseeing all technology and application platforms, as well as leading digital transformation initiatives to streamline business operations.

Prior to joining Griffin Capital in 2016, Mr. Moratorio served as the Senior Vice President, IT for American Residential Properties [NYSE:ARPI], which was subsequently acquired by American Homes for Rent [NYSE:AHR].

Mr. Moratorio has over 25 years of real estate and financial services experience and holds a B.A. from the University of California at Irvine.

Ms. Tello is a Vice President – Asset Management for Griffin Capital Company, LLC and is responsible for asset management oversight of the multifamily portfolio. She also aids in the acquisition and disposition of investments, investor reporting, and development with institutional joint venture partners.

Prior to joining Griffin Capital in 2020, she was Assistant Vice President – Asset Management for American Realty Advisors. Prior to that, she was an Asset Manager for Passco Companies, LLC.

Ms. Tello has over a decade of hands-on multifamily asset management experience. She holds a B.S. from the University of Southern California – Marshall School of Business.

Mrs. Madden serves as head of Investor Relations for Griffin Capital Private Equity, LLC and manages the daily subscription and closing process, partners with the division’s fund administrator on the implementation of effective processes, client services and compliant record keeping, and oversees post-closing communications to ensure timely and accurate reporting and distributions for investors and financial advisors.

Mrs. Madden joined Griffin Capital Company, LLC in 2005 as a Transaction Coordinator and was responsible for processing and closing the firm’s 1031 Exchange transactions. During her tenure, Mrs. Madden has held a range of positions and has been an integral part of the firm’s growth and successes.

With over 16 years of industry experience and a diverse knowledge background, Mrs. Madden has been acutely involved in the development of the Griffin Capital Private Equity, LLC division and actively participates in several of the firm’s committees. She holds a B.A. from Loyola Marymount University in Los Angeles.

Debi Sambuchi serves as head of Marketing for Griffin Capital Company and is responsible for managing and executing strategies to expand the Company’s brand awareness among its key constituents including investors, financial advisors and their broker-dealers and registered investment advisors. Mrs. Sambuchi also oversees the digital marketing initiatives across various media platforms.

Mrs. Sambuchi joined Griffin Capital in 2005 as a Transaction Coordinator and assisted in marketing the firm’s 1031 Exchange and Delaware Statutory Trust transactions. During her tenure, Mrs. Sambuchi has evolved through several marketing positions and has become an integral part of the firm’s ability to adapt and succeed in various sectors.

With over 16 years of industry experience, Mrs. Sambuchi has been intimately involved in the development of the Company’s direct real estate divisions and is an active member in several of the firm’s committees. She holds a B.A. from the University of Connecticut.

Mr. Street is a Senior Vice President – Operations and Due Diligence for Griffin Capital Company, LLC and is primarily responsible for overseeing the due diligence relations, fund development and marketing functions of Griffin Capital Private Equity, LLC.

Prior to joining Griffin Capital in 2018, Mr. Street served in several capacities for KBS Capital Markets Group, the last of which was Director of Product and Due Diligence.

Mr. Street has over a decade of real estate and financial services experience. He is a CFA® charterholder and holds a B.A. from the University of California at Santa Barbara

Mr. Marohnic is a Director of Acquisitions at Griffin Capital Company, LLC, focusing largely on sourcing and closing on acquisition and development opportunities, assisting in raising equity capital, interfacing with institutional partners and pursuing new investment ventures.

Mr. Marohnic originally joined Griffin Capital in 2015 as an associate and was responsible for assisting in the underwriting of acquisition opportunities for Griffin Capital-sponsored investment vehicles. He rejoined Griffin Capital in May 2018 after serving as an Associate Vice President for Mirae Asset Global Investments.

During his 11-year career in real estate, Mr. Marohnic has been involved in the acquisition, financing, development, management and disposition of over $2.4 billion of commercial real estate transactions throughout the United States. He holds an MBA from the University of California at Los Angeles – Anderson Graduate School of Management, and an M.S. and B.S. from Arizona State University.

Mr. Rosenthal serves as Managing Director – Advisor Solutions at Griffin Capital Company, LLC. He is responsible for the capital formation strategy for Griffin Capital Company investment offerings as well as managing external partner relationships across the family office, multifamily office, Registered Investment Advisor, Wirehouse and Broker-Dealer Channels. He has authored whitepapers on real estate investing and associated financial planning strategies. He has been directly responsible for raising over $2 Billion of investor capital across various real estate strategies and investment structures.

Prior to his current position, Mr. Rosenthal was a standout wholesaler at Griffin Capital Securities, LLC (GCS), serving as a valued partner to financial intermediaries across distribution channels. Before GCS, he worked for KBS Capital Markets Group where he raised capital across a variety of investment offering including both core and opportunistic strategies. Prior to his time at KBS, he was the lead acquisitions analyst at a national commercial real estate firm focused on multifamily and industrial real estate.

Mr. Rosenthal is a registered Series 7 and 63 licensed representative. He is a Graduate of the George Washington University.

Mr. Messori is a Managing Director of Real Estate Development for Griffin Capital Company, LLC. He focuses on the company’s development activities and plays an integral role in the direction and oversight of all development projects.

Prior to joining Griffin Capital in 2015, Mr. Messori was a Senior Vice President with Mar Ventures, Inc. where he developed over 2 million square feet of office, industrial and retail space along with obtaining entitlements for over 150 acres of land for over 2 million square feet of commercial space and more than 300 residential units. Prior to Mar Ventures, Mr. Messori was a Senior Manager – Real Estate with Hughes Electronics where he managed a portfolio in excess of 55 million square feet of leased and owned space with an asset value of over $10 billion.

Mr. Messori has over 35 years of real estate development experience across office, industrial, retail, residential and hospitality. He holds an MBA from University of Southern California and a Certificate in Executive Management from Claremont Graduate University.