Team Leaders
Shamrock Acquisitions has over 25 years experience in the lending and real estate industry.
We have experience in a wide array of different asset classes. Including but not limited to residential, commercial, retail, and development opportunities.
Please feel free to contact any one of our team members.

Matthew B. Duffield
Principal Owner and President
Direct: 248-630-7878
Cell: 248-778-7072
mduffield@shamrock-acq.com

Lisa Bommarito
Chief Operating Officer
Direct: 586-991-6279
Cell: 586-945-1568
lisabommarito@shamrock-acq.com

Maria Ulinski
Controller
Direct: 586-991-6279
mariaulinski@shamrock-acq.com

Amber Irvine

Ryan Houlihan
Principal Owner and CEO
Direct: 586-991-6279
Cell: 586-405-6279
ryanhoulihan@shamrock-acq.com

Alex Morgan
Director of Florida and California Acquisitions
D: (248) 897-0650
M: (248 425-2181
alexmorgan@shamrocksouth.com

Olivia Palazzolo
Executive Assistant/Property Manager
Direct: 586-991-6279
olivia@shamrock-acq.com

David Stollman
President – Biltmore Land
Direct: 248-563-5800
dstollman@me.com

Ryan Houlihan
Principal Owner and CEO
Ryan Houlihan has over 21 years of business experience working in the lending, real estate, and construction industries. Ryan has utilized a dynamic approach to business in creating a unique and successful culture at Shamrock. His diverse background and years of entrepreneurship and executive leadership brought him to co-founding Shamrock Acquisitions in 2008. Ryan is a proven systems expert, leader and is the driving force behind Shamrock’s exponential growth.
Ryan has a unique and proven ability regarding leveraging strategic relationships and establishing collaborative foundations with industry leaders. Ryan has also directed the acquisition, entitlement, management, and leasing and/or disposition activities over hundreds of real estate properties, in excess of $250 million spanning several asset classes (retail, office, multifamily, residential, land).
As the CEO, Ryan oversees and manages day-to-day operations for Shamrock Acquisitions. Ryan has established systems and has maximized human capital to keep Shamrock poised for growth year over year. It is Ryan’s creative and highly organized project management skills that has enabled Shamrock to grow and expand across different asset classes.

Matthew B. Duffield
Principal Owner and President
With over 24 years of experience in the mortgage and real estate industry, Matthew Duffield is a proven prospector, investor, client advocate and a financial syndication expert. Prior to co-founding Shamrock Acquisitions, Matthew lead the country’s largest online lender (Quicken Loans) in sales, closed volume and revenue for over 12 consecutive years. In 2008, he left his day-to-day operations and started consulting investors and banks on the disposition of REO properties, and as the market opportunity arose cofounded Shamrock Acquisitions.
Under Matthews’s leadership, Shamrock has established itself as an expert in various acquisitions and financing strategies, ranging from the most basic to complex developments. Matthew has acquired and syndicated a wide range of successful projects across several asset classes. From time-to-time Matthew has acted as an intermediary for private and institutional investors. Matthew continues to lean heavily on his lending background to provide comprehensive underwriting analysis that can be delivered in a straightforward and productive manner.
Together with his business partner and team members, Matthew has helped grow Shamrock from buying its first house in Southfield, Michigan to owning and managing $200+ million in real estate assets in Michigan and California.

Lisa Bommarito
Chief Operating Officer
Lisa began her career in the real estate investing industry more than 15 years ago. She was a team leader of distressed assets located across Michigan and worked closely with multiple financial institutions. With the change in economy, her residential property portfolio that included oversite of construction projects. Lisa brought her team management experience and vast construction knowledge to Shamrock Acquisitions in 2012. Her high level organizational skills and creative thinking has instrumentally assisted Shamrock in its growth, implementation of policy and procedures, online platforms, and employee benefit programs.
At Shamrock, Lisa manages the day-to-day operations of Shamrock headquarters and our multifamily subsidiaries. She is also responsible for thorough analysis of all acquisitions, commercial management, and employee relations.

David Stollman
President of Biltmore Development
David brings over 17 years of real estate acquisition and development experience to the firm. David specializes in property negotiation and acquisition, market research, physical site analysis, financial analysis, project financing, capital procurement, land-use entitlements, land planning and design, permitting, site construction, and commercial land sales.
David has developed conventional subdivisions, apartments, attached and detached condominiums in different community types including: golf course, mixed-use, master-planned and neo-traditional communities. He has also developed over 100 acres of commercially zoned property.

Alex Morgan
Director of Florida and California Acquisitions
Alexander Morgan is the Director of Acquisitions and specifically oversees the asset management for Shamrock’s Florida and California properties. Alex has 8 years of experience in the field of investment management and real estate financing. Prior to his position with Shamrock Acquisitions he worked as a marketing manager for a consumer finance company and has been instrumental in the organizational development of a handful of startup companies including a business networking organization. He has a passion for developing unique and innovative processes to create an efficient and logical system.
Alex resides in Lake Orion, MI with his wife Alexandra. He enjoys golfing in Northern Michigan and serving as a board member on the Michigan Melanoma Foundation.

David Schwartz
COO, Shamrock West
David has worked in as a senior manager in commercial and investment banking for 17 years before joining Shamrock, with a focus on multi-family development financing, fund control, and Los Angeles based real estate portfolio management. He eventually broadened his scope to sourcing investment monies, project procurement, and project management. David manages Shamrocks west coast operations.
His primary focus is on project procurement and capital stack structuring for Shamrock’s student housing, multi-family, transitional housing and SFR developments. David lives in the South Bay of L.A. with his wife Audria and his 2 boys, Kaiser and Grayson.
Michigan - Eastside
13910 Simone Drive
Shelby Township, MI 48315
Telephone: 586-991-6279
Email: info@shamrock-acq.com
Michigan - Westside
280 N Old Woodward Ave
Suite 220
Birmingham, MI 48009
Telephone: (248) 630-3167
Email: info@shamrock-acq.com