Casey Babb

Shawn Rupp is one of three partners in the sixteen person Colliers Florida Multifamily team which led the state of Florida in 2020 for total number of multifamily transactions. Shawn has over 17 years of experience working as a commercial real estate advisor and specializes in helping multifamily owners maximize the value of their assets, whether or not they have a sale imminent.

Shawn is the creator of propriety software which allows his team to mine their own data instead of relying on information provided by third-party vendors used by most of the industry.  This software also runs simulations and utilizes artificial intelligence to determine the most likely buyers for each listing and help compile institutional quality business-case analyses for clients.

Luis entered the commercial investment real estate industry in 2004 on the ownership and management side, where he assisted in analyzing and acquiring a portfolio of multifamily properties on behalf of a private investor based in South Florida. He was associated with Marcus & Millichap's Tampa office from July 2010-December 2020, specializing in multifamily housing.  

He is a graduate of the University of Tampa where he majored in finance, with a minor in Latin American studies. As an advocate of continuing education, Luis pursued his CCIM designation which is recognized as the most coveted and respected in the industry for commercial investment professionals.

Miles Tombrink was previously a Senior Associate and Member of the National Multi-Housing Group at Marcus & Millichap.  After beginning his career in the residential and student housing space in 2014, he joined Marcus & Millichap's Tampa office in June 2016 as a research and market analyst for The Babb Group. His primary duties included agent proposal and listing support, rent and sale comp reporting, market updating and database management for the team. After a year of training in Marcus & Millichap's Sales Intern Program, Miles officially launched as an investment sales associate in June 2017. At the conclusion of 2018, Miles finished as the #1 agent amongst all of Marcus & Millichap multifamily agents in the state of Florida with less than 36 months of tenure. In October of 2020, he earned a promotion in title to Senior Associate after eclipsing the companies required performance metrics. 

After finishing #1 in number of multifamily transactions amongst all of the state of Florida in 2020, The Babb Group was acquired by Colliers International to form the Colliers Florida Multifamily Team where he is now a Director of Multifamily Investments. To date, he has closed 43 transactions totaling 960 units, with a market value over $85 million. He focuses on seller representation of sub 100-unit apartment properties located along the I-4 Corridor from Tampa to Orlando. Miles was born and has lived in the Tampa Bay area his entire life, is a 2nd generation commercial real estate practitioner, is active in Florida real estate networking events and enjoys attending sporting events with family and friends.

Mike Steiner joined The Colliers Florida Multi family Team in January of 2021 as the Director of Multifamily, Florida Panhandle. His focus is on seller representation of multifamily apartment properties located primarily in the Panhandle of Northwest Florida and southern regions of Georgia and Alabama. Mr. Steiner entered the commercial investment real estate industry in 2005 after graduating from Florida State University with degrees in Real Estate and a M.S. in Urban and Regional Planning. Prior to his current position in multifamily investment sales, Mike was focused on the development of Student Housing, working with a national Student Housing developer in managing a broad range of day to day activities in support of new development projects around the country, inclusive of project-level due diligence and design coordination, helping to secure entitlement/zoning approvals, project scheduling, RFP responses coordination, project budgeting/underwriting and coordination with construction. Having owned, developed, managed and brokered over 300 Million in MF real estate, Mike is able to provide a unique perspective on the overall market to his clients. Mike is a lifelong Floridian, growing up in Destin and is a 2nd generation commercial real estate practitioner. He is married to wife Emily, they have 3 boys: oldest son Milo and twin boys, Rowan and Julian.

Brad McCollum is an Associate for the Colliers Florida Multifamily Team  in the firm's Jacksonville Office. His focus is on seller representation  of multifamily apartment  properties located in Northeast Florida.

Prior to Colliers, Mr. McCollum has spent his career in commercial real estate brokerage, construction and development and he is also a Florida Certified General Contractor. He has brokered, managed, and developed a wide array of projects which brings a unique set of skills and knowledge to the table for his clients.

Mr. McCollum also has deep roots in the Jacksonville market. As a lifelong resident, Brad graduated from Episcopal School of Jacksonville and then from the University of North Florida with a bachelor’s degree in business. He is active in his community and has been involved in numerous volunteering and charitable programs. In his spare time, Brad enjoys golfing, fishing, and zealously rooting for the Jacksonville Jaguars.

Tyler Carbonelli joined the Colliers Tampa office as a Deal Manager in February 2021, specializing in multifamily investment sales, financial underwriting, marketing, and transaction management during the team's transition to the Colliers Platform prior to being promoted to Senior Associate in November 2021. Since 2017, Mr. Carbonelli has helped his clients close over 50 transactions totaling over $165 Million as an investment sales associate in the multifamily industry. Mr. Carbonelli graduated from Florida State University in 2017 where he acquired his degree in finance before entering the commercial investment real estate industry. Mr. Carbonelli continues to build upon his real estate expertise and is currently in the process of obtaining his CCIM designation.

With extensive experience in seller representation, acquisitions, development and finance in the multifamily industry, Mr. Carbonelli focuses primarily on the Pinellas County private client markets assisting his clients with the financial analysis, advisory, acquisition and disposition of multifamily assets and development sites. His extensive experience generates value for his clients through managing every stage of the sales process including but not limited to developing & executing marketing strategies, identifying and qualifying buyers, anticipating potential issues in advance of occurring and as well as managing post-closing matters should any emerge. 

Kristyn joins Colliers as a Client Services Coordinator providing marketing and administrative support for the Florida Multifamily Team that includes Casey Babb, Shawn Rupp, Luis Baez, Miles Tombrink, Mike Steiner, Jay Ayres, Andrew Green, Brad McCollum, Andrew Birr, Ryan Wooden and Tyler Carbonelli.

Prior to joining Colliers, Kristyn worked at SRS Real Estate Partners in Denver, Colorado, as a Marketing Coordinator providing graphic design, email marketing and other marketing initiatives including managing the offices social media accounts for an office of 14 brokers.  Prior to SRS and during her time in college, Kirstyn co-founded Jon-Girl Boutique, an online women’s clothing store and managed the company’s SEO and ad strategy, along with fostering thousands of Instagram followers.

A graduate from Brigham Young University, Kristyn received her Bachelor of Science degree in Marketing Management. During her time at BYU, she was heavily involved in the Marriott School of Management as part of their student council and helped drive various marketing initiatives for the program.

Nathan Lynch worked with CBRE for 10 years prior to joining Colliers International. Nathan was a graduate of Linfield College in McMinnville, OR with a Bachelor of Science in Finance and a minor in mathematics.

Prior to joining Colliers International, Nathan specialized in debt and equity finance with CBRE. Nathan has been directly involved in the placement of over $2 billion in commercial real estate debt and has originated over $500 million in commercial debt in Europe and the U.S. Nathan also managed a servicing portfolio of 200 loans totaling over $1.2 billion.

Don Jennewein has over 30 years’ experience in the mortgage banking industry with transactions totaling more than $6 billion, primarily in retail, multi-family, office, and industrial properties.

Prior to joining Colliers International, Don was a Senior Vice President for CBRE, Inc., in the Debt & Structured Finance department and was responsible for loan origination, underwriting, appraisal, coordination of loan closings, cultivation of developer clients and negotiation of loan terms and conditions.

Will is primarily responsible for procuring and executing institutional multifamily investment sale transactions throughout the United States. In 2020, Mr. Mathews was appointed to the U.S. Capital Markets Board of Advisors in the role of Multifamily Practice Group Leader.

Since joining Colliers in 2012, Mr. Mathews has assisted with the sale of over 61,500 apartment units totaling $6.8 Billion. Mr. Mathews is routinely recognized by Colliers International as a top producer nationally.