Meet the Gemini Rosemont Team

We take pride in our management team, which is led by a group of long-tenured real estate executives with a unique and diverse set of work and life experiences to draw upon in order to bolster our nearly 30 year track record. This team has established Gemini Rosemont as a leader in the real estate investment management arena.

Gemini Rosemont employs a staff of approximately 126 professionals who work collaboratively to serve the needs of our various constituencies while continuing to build our portfolio.

Our Seasoned Leadership Team

Ian P. Brownlow


Ian P. Brownlow
Chief Executive Officer

Mr. Brownlow is responsible for all major corporate decisions including operations and resource management. He leads the executive leadership team with an enhanced focus on investment performance. Before assuming responsibilities of Chief Executive Officer, Mr. Brownlow served in the capacity of the company’s Chief Financial Officer.

Mr. Brownlow was Finance Director of BHI Corporation, a publicly-traded company with interests in telecommunications, financial services, energy, real estate development and construction before joining Gemini Rosemont.

Mr. Brownlow was employed in the United States, United Kingdom, and Africa by mining conglomerate Lonmin PLC (formerly Lonrho PLC), listed on the London Stock Exchange. During this period, he served as Chief Financial Officer and Chief Operating Officer of a Lonmin PLC energy affiliate listed on the American Stock Exchange.

Mr. Brownlow is a Fellow of the Institute of Chartered Accountants in England and Wales. He began his career as a Chartered Accountant with Ernst & Young in London, and he received a Bachelor of Science degree from the University of Sussex, England.

Helen Rivero


Helen Rivero
Chief Operating Officer

Helen Rivero, Gemini Rosemont’s Chief Operating Officer and a member of the company’s Senior Leadership Team, leads the company’s day-to-day operations and directs investment management, including oversight of asset management, leasing and property management. Ms. Rivero is responsible for the portfolio performance, which is comprised of approximately eight million square feet of commercial office space in 60 properties across 13 U.S. states.

Ms. Rivero joined the company in 2012 and brings over 27 years of commercial real estate experience to the company.

Prior to joining Gemini Rosemont, Ms. Rivero was Vice President of Joint Venture Asset Management at Crescent Real Estate Equities. She has been responsible for managing portfolio assets for some of the nation’s top commercial real estate companies, including Morgan Stanley Partnerships, Archon Group / Goldman, Sachs & Company, and Crescent Realty.

Ms. Rivero holds a Bachelor of Business Administration degree from the University of Oklahoma and a Master of Science with an emphasis in finance from the University of Texas at Dallas.

Jason Kuester


Jason Kuester
Chief Investment Officer

Jason Kuester, a member of Gemini Rosemont’s Senior Leadership Team that guides the company’s overall direction, is responsible for acquisitions, including overseeing the acquisition and due diligence teams. He also directs the mortgage financing for new assets and development sourcing, and is the company’s primary contact with the commercial real estate brokerage community.

Since joining the company, Mr. Kuester has led the acquisition of more than 1.7 million square feet of Class A office product valued at approximately $700 million, including Silicon Valley’s Central Tech Park, San Diego’s The ESET Building at 610 West Ash, Belmont’s 600 Clipper and Seattle-Bellevue’s One Twelfth @ Twelfth.

Prior to joining Gemini Rosemont, Mr. Kuester served as Director of Investment / Asset Management for Crescent Real Estate Equities Ltd., where he was responsible for asset level planning, including implementation of business plans to maximize the income and appreciation returns of the firm’s real estate assets. He directed acquisitions and all due diligence, underwriting and contract negotiations for office acquisitions totaling $1.1 billion and dispositions totaling $2.5 billion.

Mr. Kuester holds a Bachelor of Science degree from Baylor University and a Master of Business Administration degree from Texas Christian University.

Jon Dishell


Jon Dishell
Chief Capital Officer

With over 35 years of experience in real estate investing, Jon Dishell is Gemini Rosemont’s Chief Capital Officer with responsibility for fundraising, investor relations, corporate marketing, public relations, and strategy.

Mr. Dishell’s extensive background in the institutional investment arena began in 1993, when he re-joined Douglas Emmett, Inc. (NYSE:DEI). In 2012, he was recruited by American Real Estate Partners to lead their fundraising efforts. In the aggregate for both firms, Mr. Dishell raised equity for both discretionary commingled funds and single asset joint ventures totaling ~$3 billion, was a member of each firm’s Investment and Management Committees, and for much of his DEI tenure was a senior member of the transactional team responsible for ~15 million square feet of office acquisitions, dispositions, and financings.

Mr. Dishell received his Bachelor of Science degree in Business Administration from the University of Arizona, majoring in both finance and real estate. For many years he has been an active member of the real estate trade associations PREA, NAREIM, and AFIRE.

Julia Golden


Julia Golden
Senior Vice President, Director - Capital Markets

Julia Golden is Senior Vice President and Director – Capital Markets. She serves a dual role as a member of the legal team, managing closings for Gemini Rosemont capital transactions and institutional and foreign investor structuring, and as a member of the capital markets team, managing equity, joint venture and fund investor relations, marketing, and capital restructuring.

Ms. Golden’s former responsibilities included the legal closing of dispositions, acquisitions and refinances, from drafting agreements to reviewing closing statements, directing funding coordinating with in-house and third-party counsel, and the Company’s acquisitions, asset management, accounting, and due diligence teams. Ms. Golden currently administers key elements of the company’s institutional investment program, working with investors and their representatives in structuring complex investment vehicles and overseeing the preparation of required documentation, corporate maintenance and reporting for these vehicles.

Since joining the company in 2004, Ms. Golden has closed the acquisition of more than $1 billion in commercial real estate and the structuring of more than $800 million of individual institutional equity investments.

Ms. Golden attended Southern Methodist University and the University of New Mexico.

Anthony Kwong


Anthony Kwong
Deputy Chief Financial Officer

Anthony Kwong is Deputy Chief Financial Officer for Gemini Rosemont, overseeing the company’s finance team, and is a member of the company’s Senior Leadership Team. Mr. Kwong is responsible for leading and directing corporate accounting and analytics, property accounting, financial and tax reporting, budgeting and forecasting for Gemini Rosemont and its affiliated entities. He is also responsible for oversight of the capital structure, organization’s assessment and compliance for risk, internal control and treasury management.

Mr. Kwong was an Associate Director with Gemini Investments (Holdings) Limited (Gemini Investments), a Hong Kong Stock Exchange listed real estate investment and development company, where he was focused on financial controls of the company’s U.S. investments.

Prior to joining Gemini Investments and Gemini Rosemont, Mr. Kwong served in a number of positions with Deloitte Hong Kong, most recently as Senior Manager for the audit and assurance department focusing on audit, risk control, and mergers and acquisition transactions for the real estate, retail and hospitality industries across Asia Pacific and the U.S.

Mr. Kwong received his Bachelor of Business Administration, majoring Professional Accountancy, from The Chinese University of Hong Kong. He is a Certified Public Accountant.

Samuel Konigsberg


Samuel Konigsberg
Corporate Counsel

Samuel Konigsberg is corporate counsel of Gemini Rosemont and a member of the Senior Leadership Team. He is responsible for the legal work relating to all capital transactions including, but not limited to, acquisitions, sales and financing.

Mr. Konigsberg was engaged in the private practice of law in New York and New Jersey specializing in corporate, real estate and tax law prior to joining the company in 1994. Before starting his own firm, Konigsberg Sussmane & Zapfel P.C., he was a partner at the firm of Ruffa & Hanover P.C., a boutique firm specializing in private placement and public offerings for securities. Prior to commencing his legal career, Mr. Konigsberg was a tax associate with the accounting firm of Ernst & Whinney.

Mr. Konigsberg received a Bachelor of Science degree with a major in Accounting from the State University of New York at Buffalo, a J.D. from the State University of New York at Buffalo School of Law and an LLM in Taxation from New York University School of Law.

Lynn Vaughn, Esq.


Lynn Vaughn, Esq.
General Counsel

Lynn Vaughn is General Counsel for Gemini Rosemont and is responsible for all real estate, operations, and corporate legal matters nationwide.

Ms. Vaughn advises on and has oversight of all property related legal issues, including reviewing, drafting, and negotiating leases and lease related documents, listing agreements, and commission agreements. She also oversees non-disclosure and confidentiality agreements, and vendor and service contracts. Ms. Vaughn works closely with asset management and property management teams on investor and tenant relations, advises on human resources issues, oversees outside counsel.

Ms. Vaughn has practiced law for more than 25 years with an emphasis on commercial real estate and real estate investment. Most recently, she served as General Counsel for the Miracle Mile Shops on the Las Vegas strip.

Ms. Vaughn earned her Bachelor of Science degree in Business Management from Florida State University and a J.D. from the University of Arizona. She is a certified mediator and arbitrator and served as an Alternate Judge for the Las Vegas Municipal Court. Ms. Vaughn is licensed to practice law in Nevada.

Paul Gerwin


Paul Gerwin
Executive Vice President

Paul Gerwin is Executive Vice President and a member of the Senior Leadership team. He manages the company’s New York development effort, approves annual property budgets and heads up a variety of special projects.

Previously, he managed Gemini Rosemont’s acquisition, diligence and on-boarding of over 370 projects in 35 states, totally more than 35 million square feet since joining the company in 1992. Additionally, he has managed the successful completion of hundreds of commercial real estate mortgages, including the refinancing of many properties, totaling several billion dollars of value.

Mr. Gerwin was Vice President and Director of McCune-Gerwin Architects in Los Angeles where he was responsible for the design and management of over 500 real estate projects, ranging from single-family residences to high- rise offices. He was also President and Director of Buena Vista Properties, a real estate construction, development and management firm.

Mr. Gerwin was a licensed architect in California and New Mexico. He earned both a Bachelor of Architecture degree and a Master of Business Administration degree from the University of Southern California.

Andy Wong


Andy Wong
Vice President - New York

Andy Wong is responsible for overseeing the administration and operations of the company’s eight-person New York regional office. He helps source development investment opportunities in the U.S., including researching and compiling market data, analyzing property trends, and making recommendations to investors. He assists in project financing, including maintaining lender relationships and evaluating terms for construction loans and refinancing.

Mr. Wong has been involved in the development team’s acquisition of residential projects in New York, which at completion will be valued at more than $400 million and comprise 280,000 gross square feet. He led the acquisition of the company’s first New York development project, an 85,000 gross square foot condominium project at 101 W. 14th Street in Manhattan. Prior to joining Gemini Rosemont,

Mr. Wong was a business consultant at a New York-based technology company that specialized in pension fund administration, where his primary client was the Metropolitan Life Insurance Company.

Mr. Wong earned a Bachelor of Science degree in Finance from The Pennsylvania State University. He is proficient in conversational Cantonese and Mandarin.

Audra Alessandrone


Audra Alessandrone
Senior Vice President - Due Diligence

Audra Alessandrone is Senior Vice President leading and managing the property due diligence efforts and project management on all corporate acquisition, disposition and financing transactions.

Ms. Alessandrone has overseen more than 300 capital transactions from inception to completion since joining the company in 1995. She has day-to-day control of
all aspects of the due diligence process including income and expense review, tenant interviews, lease audits, third-party contract audits, physical inspections, environmental review, property condition assessments and market research.

She supervises a team of analysts and associates, and manages all facets of team interaction and collaboration with Gemini Rosemont’s fully integrated group of professionals and outside consultants to create an efficient and effective workflow process.

In addition to close interaction with the acquisition, legal, asset management and finance departments, she also coordinates diligence efforts with third-party vendors and brokers. Ms. Alessandrone is also responsible for communicating due diligence findings to the investment committee while actively participating in the investment decision.

Ms. Alessandrone graduated from Eastern New Mexico University with a Bachelor of Fine Arts.

Michael Hernstad


Michael Hernstad
Senior Finance Director

Michael Hernstad is a Senior Finance Director, where he oversees a team of accounting professionals in multiple locations across the U.S. His responsibilities include leading and managing a range of financial functions, including financial planning and analysis, financial accounting for property month-end consolidations and audits.

Mr. Hernstad has more than 16 years of experience in accounting and financial reporting in real estate and valuation. Prior to joining Gemini Rosemont, Mr. Hernstad was Director of Finance and Accounting at BKM Capital Partners, a real estate fund manager with $1.7 billion assets under management.

Mr. Hernstad was previously Director of Accounting at Colony Capital, where he was responsible for financial accounting, management and reporting for the
firm’s funds and sponsored investments valued in excess of $5 billion before serving as Controller for Watt Investment Partners. He began his career at Deloitte and Touche in South Africa and later transferred to Los Angeles, where he was Audit Manager in the real estate practice.

Mr. Hernstad earned both a Bachelor of Accounting and Honors Bachelor of Accounting from the University of South Africa. He is a Certified Public Accountant and a Chartered Accountant.