J. Patrick ("Pat") Galvin - Principal

Pat has extensive experience in all facets of commercial real estate acquisition, entitlement, development and finance on national and institutional levels. Immediately prior to founding Groundswell in late 2017, Pat capped a successful career with Starwood Capital (4 yrs) and its predecessor LNR Property Corp (12 yrs) during which the Commercial Property Group he managed invested and developed CRE assets exceeding several billion dollars in value. Previously, Pat has also served as senior executive with several CRE entities, structured and managed institutional CRE equity funds, joint ventures and syndications, as well as affordable apartment development and syndication.

University of Notre Dame Law School, Juris Doctorate (1984)
University of San Diego School of Business, Bachelor of Business Administration (1981).

Daniel A. Traylor - Principal

Daniel has deep roots in engineering spending the early stages of his career in the building and heavy civil construction industries. Daniel founded Columnar in 2009 under its parent Traylor Capital and has since expanded the family real estate interests to include commercial real estate investment/development and production home building, respectively through the Groundswell Commercial Real Estate and RockWell Homes platform companies. Daniel leads Traylor Capital as Managing Principal.

Masters in Business Administration, H.E.C. Paris, Grande Ecole, (2006)
Bachelor of Science, Civil Engineering, Stanford University (1999)


Sean Froelich - Columnar COO/Partner

Sean has worked in real estate development and construction in Florida for more than 23 years. He has managed the acquisition, entitlement, development, and construction of 25,000-plus lots. His array of development projects includes single-family, resorts, condominiums, apartments, and neighborhood commercial centers. Prior to joining Columnar, Sean was the President of Park Square Land, one of the largest privately held developers in Florida. Sean’s experience spans seven counties in the Orlando, Tampa, and Southwest Florida markets, where he has earned a reputation as a top tier land developer.


Bachelor of Science, Civil Engineering, University of Florida (1996).

Sean Ells - VP Land Entitlements – FL

Sean has worked in Central Florida land development for 25 years. He began his career as a licensed Professional Engineer responsible for the design and permitting of residential, commercial, roadway, and institutional projects. Sean then left engineering to work for a national homebuilder as a land development manager responsible for the due diligence, entitlement, and construction support for multiple communities in Central Florida. Sean joined Columnar in 2015, where he serves as Director of Land overseeing the entitlement and construction of our Florida projects.


Bachelor of Science, Civil Engineering, University of Central Florida (1994)

Mike Wolf - VP Land Acquisition – FL

Michael has been involved in public and private sector real estate for more than 20 years. Over the past 16 years he has closed more than a half billion dollars in residential development acquisitions. Prior to joining Columnar, Michael was Vice President with Kolter Homes, WCI Communities/Lennar, and Toll Brothers with experience in the Southeast, Southwest, Central and North Florida markets. He is a veteran of the Texas and Florida National Guards serving as a logistics officer for the 49th Armored Division and Master Planner for the Texas Adjutant General’s Department.


Master of Business Administration, Baylor University (2003).

John Landwehr - CO & TX Division Partner

After working as a commercial airline pilot, in 2006 John joined a real estate investment group focused on large scale land acquisitions and entitlements projects in the Southwestern United States. He has acquired and entitled more than 15,000 acres of land, creating 30,000-plus lots. John joined a fast-growing production home builder in 2017, leading land acquisition and development for the Texas and Colorado divisions. John’s network and experience span Austin, Houston, and Denver with expertise in land, water and home building.


Bachelor of Science, University of Colorado (2003).

Joseph Lassiter - NC Division Partner

Joseph has been a Raleigh-based real estate developer, investor, and property manager since 1987. During the late 1980s through the mid-1990s, Joseph operated the Pinellas Corporation, which developed residential subdivisions and acquired commercial investment properties. Prior to Pinellas, Joseph was involved in the development of more than 2,000 dwelling units and entitled 3,400 acres of land in partnership with ITT/Paul N. Howard Corporation and Southern Properties, Inc. With contacts and operations from Charleston, SC to Wilmington, NC and as far west as Charlotte, Joseph has a reputation of excellence in real estate investing and development.


Bachelor in Business Administration, Atlantic Christian College (1982).