Company

Co-Founder & President

Joseph T. Amoroso

In his role as President, Joseph T. Amoroso directs the daily operations of the Amoroso Companies. During his tenure, Mr. Amoroso has overseen the development of numerous projects including multiple single family homes, a 16 acre medical campus comprised of 3 medical office buildings and a surgical hospital, numerous commercial office buildings, 3 hotel properties and a 137 acre master planned community.

During the past 15 years, Mr. Amoroso has been primarily responsible for the management of the Amoroso Companies investment portfolio, including numerous hotels, commercial office buildings, self storage facilities and over 4,000 multifamily units.

Mr. Amoroso graduated from Pepperdine University, majoring in Business Administration. While in school he worked for Hyatt Corporation, which included traveling abroad to Hong Kong. After graduation, he continued his employment with Hyatt and served at the Houston and Los Angeles hotel locations until he co-founded Amoroso Development Company with his father.

Chief Operating Officer & Acquisitions

Jason J. Amoroso

Jason J. Amoroso represents the third generation of leadership for the Amoroso Companies. In his role as Chief Operating Officer, Mr. Amoroso is primarily responsible for managing the portfolio of assets held by the Company as well as the sourcing and evaluation of prospective investments. During his tenure, Mr. Amoroso has managed the acquisition, disposition and management of over $300 million in various assets throughout the country.

Prior to joining the Amoroso Companies in 2009, Mr. Amoroso was an associate at the law firm of Steckbauer Weinhart Jaffe LLP in Los Angeles, California, where his practice included representation of clients in connection with acquisitions, real estate finance, land development and leasing.

Chief Financial Officer

Daniel J. Tumpak

Daniel J. Tumpak is responsible for Amoroso Companies financial operations including strategic planning, risk management, financial forecasting and modeling, corporate budgeting and lender relationships.  Mr. Tumpak is responsible for managing the firm’s resources across all investment disciplines and is also directly involved in all project level activities including cost control and construction loan administration.

Prior to joining Amoroso Companies, Mr. Tumpak worked as an Equity Research Analyst for William O’Neil & Co.  He holds an MBA from the University of Southern California and a bachelor’s degree in business administration from Loyola Marymount University.

Director of Acquisitions

Joseph J. Mastronardi

Joseph Mastronardi is Director of Acquisitions and a member of the Investment Committee at Amoroso Companies.

Mr. Mastronardi has over 20 years of experience in the commercial real estate finance industry and capital markets.  During his 15 years at Amoroso, his role included land entitlement processing, legislative approvals and oversight of development projects.  Most recently, he has been responsible for the acquisition of multi-family projects located in the western US.

In the years prior to joining Amoroso Companies, Mr. Mastronardi held roles at Countrywide Commercial Real Estate Finance, Macerich and Amgen.

Mr. Mastronardi received a Bachelor of Science Degree from Northeastern University with a concentration in Finance and Insurance.

Controller

Yenshun Hsieh

Ms. Hsieh has been actively involved in the commercial real estate industry for over 20 years. Most recently, Ms. Hsieh was the Director of Finance and Operational Management for a private real estate investment company where she was responsible for overseeing budget and forecasting for over 4 million square feet of commercial space across the country. In addition, Ms. Hsieh oversaw the management and review of the underwriting and due diligence processes on new projects.

Previously, Ms. Hsieh was the Controller for Stratus Real Estate, Inc., where she was responsible for financial reporting and accounting issues. In addition, she oversaw the modernization of its information systems and operational procedures.

During her lengthy real estate career, Ms. Hsieh has been involved in all aspects of commercial real estate from multi-family housing to commercial development working with industry leaders including: Casden Properties/AIMCO, The Voit Companies, G&L Realty Corp. and Angeles Corporation.

Ms. Hsieh received a bachelor’s degree in business administration with an emphasis in international finance from the University of Southern California.

Director of Human Resources

Asheley Mastronardi

Asheley Mastronardi has been with Amoroso Companies since 2004 and is Director of Human Resources.  Ms. Mastronardi is responsible for developing and executing human resource strategy in support of Amoroso Companies business plan and strategic direction.

In her role, Asheley works within Amoroso Companies to develop their employees, search for professional aptitude and create management strategies for a diverse real estate company.  She is responsible for development, implementation and evaluation of personnel policies and programs; oversees recruiting, training, employment and labor relations, compensation and benefits, as well as performance management.

Ms. Mastronardi holds a Bachelor of Science Degree from Northeastern University.

Associate, Asset Management

Marie Darnell

Marie Darnell is responsible for Amoroso Companies Asset Management with extensive experience in managing multifamily and mixed-use properties. She collaborates with property managers and stakeholders to optimize asset performance, focusing on high occupancy, tenant retention, and value maximization through strategic improvements and leasing initiatives. Marie also has expertise in asset-level business planning, capital expenditures, and due diligence, playing a key role in the development and execution of investment strategies. She is proficient in industry tools like RedIQ, Yardi, CoStar, and MRI, enhancing her ability to drive portfolio success and deliver results.

Prior to joining Amoroso Companies, Ms. Darnell was an Analyst at Combined Properties Inc. and has a bachelor’s degree in management and marketing from Spring Hill College.

Property Management & Support

Melissa Oslac

Staff Accountant

Ruth Feria

Property Management and Support

Stacy Feldman

Stacy Feldman is responsible for the management of the various commercial and medical office assets within the Amoroso Companies portfolio. Specifically, Ms. Feldman is responsible for supervision of building maintenance, vendor contract negotiations, and tenant relationships. Ms. Feldman is also responsible for the operation of the self storage facilities within the Amoroso Companies portfolio.

In addition, Ms. Feldman provides direct support and assistance to all of the members of the Amoroso Companies team.

Co-Founder

Joseph J. Amoroso 1926-2022

Joseph J. Amoroso’s career in real estate development and investment spans over seven decades. He is the co-founder of the Amoroso Companies and today serves as an advisor to the management team.

In 1960, Joseph J. Amoroso was appointed Executive Vice President of Hyatt Corporation, with his primary responsibilities involving the selection of potential sites, land development and construction of Hyatt projects in the United States. In addition, Mr. Amoroso served as President of Northridge Industries where he was responsible for the construction and operation of approximately 50 Hyatt properties and numerous coffee shops throughout the United States, including Dupars, Denny’s and International House of Pancakes.

While at Hyatt, Mr. Amoroso served on the Board of Directors of Hyatt Medical, which owned and operated 10 hospitals throughout the United States.

Subsequently, Mr. Amoroso was appointed President of Elsinore Corporation, a publicly traded subsidiary of Hyatt Corporation, which operated hotels and casinos in Las Vegas and Lake Tahoe, as well as the Playboy Hotel & Casino in Atlantic City. In 1982, Joseph J. Amoroso became Chairman of the Board of Elsinore, which enabled him to work closely with his son, Joseph T. Amoroso, to form Amoroso Development Company, the development entity of the Amoroso Companies.