Who We Are


Senior Director, Cushman & Wakefield

As an advocate and advisor for companies who lease or own real estate, Mr. Ashley has worked for over 16 years to help business leadership translate business strategy into real estate solutions that helps not only cut cost but boost profits.  He believes that real estate can enable high level business performance and, when properly executed, serve to differentiate smart companies from their competition.  Mr. Ashley is consistently a top producer in the Atlanta marketplace and nationally. He applies a strategic, yet common sense approach to delivering results oriented solutions to clients. This approach allows C&W to develop long-term consultative relationships focused on a high level real estate strategy rather than simply finding “space.”


Mr. Ashley is a member of the Society of Industrial and Office Realtors (SIOR) where he served as the 2009 Georgia Chapter President.  Also he has earned his CCIM designation and is a member of the leading industry organization, CoreNet, where he serves as a regular speaker in front of global directors of real estate. He has spoken at the last five CoreNet Global Summits and has ranked in the top 10% of all faculties garnering the CoreNet “Luminary” award. He has also earned the coveted Masters of Commercial Real Estate (MCR) designation from CoreNet, which denotes specialized competence and recognized Mr. Ashley as an expert in corporate real estate.

Mr. Ashley is Co-Chairman of the Million Dollar Club for the Atlanta Commercial Board of Realtors, and is a Phoenix Member which recognizes at least 10 years of membership. A 1990 graduate of the University of Georgia he earned a Bachelor of Business Administration. He is the recipient of C&W’s 2003 and 2008 Service Excellence Award, C&W Atlanta Deal of the Year in 2006 and 2007, and is regularly a top producer in the Atlanta marketplace and around the nation.


Mr. Ashley, an Eagle Scout, serves on the Board of Directors and Executive Committee of the Atlanta Area Council of the Boy Scouts of America. He is a recipient of the Silver Beaver Award, the highest award a local council can bestow upon a volunteer.  He also serves Scouting on the National level as one of twenty members of the National Properties Committee responsible for all high adventure bases in Scouting. Mr. Ashley also serves on the Board of Governors for the City Club of Buckhead. He attends Alpharetta First United Methodist Church where he serves on the Nominating Committee. He and his wife, and four children reside in the Atlanta suburb of Dunwoody.


Senior Director, Cushman & Wakefield

Sam Hollis joined Cushman & Wakefield in 1987 where he is a Senior Director and shareholder of the firm.  He is a senior partner in a four person commercial real estate advisory practice within Cushman & Wakefield’s Brokerage Services Group.  Mr. Hollis and his team focus on advising users of commercial real estate through the development and execution of creative strategies that are aligned with and support the business objectives of the client.

Mr. Hollis has lead his clients through a variety of real estate assignments both in Atlanta and throughout the country including space acquisition and disposition, land acquisition and disposition, build to suits, and the restructuring of leases.  Specialties include tenant representation and mission critical facilities.  Mr. Hollis works with both local and regional clients based in Atlanta and with corporate clients that have a national and international presence.  The hallmark of Mr. Hollis’ success has been his commitment to his client relationships as a trusted advisor and to all aspects of their needs, whether large or small.

A 1983 graduate of Washington & Lee University, Mr. Hollis is a member of C&W’s Mission Critical Practice Group, CoreNet Atlanta (Commercial Real Estate’s leading organization), and has completed numerous CCIM courses.

Mr. Hollis resides in Atlanta along with his wife and two children.


Mr. Hollis serves on the Board of Directors of the A.G. Rhodes homes, is a member and Usher at St. Philips Cathedral, is past President of the Washington & Lee Atlanta Alumni Association, a past Board Member of the Piedmont Driving Club, and was chair of the Lovett School Annual Fund campaign.  Other charity involvement includes the Georgia Trust for Historic Preservation, Atlanta Charity Clays, the Woodruff Arts Center, and the Shepherd Clinic.


  • Client Service Award – Cushman & Wakefield -1998, 2003
  • Top Ten Producer – Cushman & Wakefield Atlanta – 1997, 2001, 2003, 2004, 2005, 2008
  • Top Five Office Producer – Cushman & Wakefield Atlanta – 2006, 2007
  • Deal of the Year – Cushman & Wakefield Atlanta – 2007, 2008
  • Phoenix Award – Atlanta Commercial Board of Realtors 1999


ASSOCIATE, Cushman & Wakefield

Sarah Momberg is an Associate in Cushman & Wakefield’s Brokerage Services Group and has been with the company since 2007.  Ms. Momberg provides tenant representation and consultation services to national and local clients.

Prior to joining the Transaction Services Group in 2010, Ms. Momberg worked for Cushman & Wakefield’s Client Solutions and Apartment Services Groups where she assisted in the management & leasing of over 15.4 million SF of office and industrial properties and the sale of over $3.1 billion in multi-family housing properties. She utilized her financial, analytical, and marketing skills to determine property values and produce various marketing materials.

Ms. Momberg graduated from the University of Florida in 2007. She earned a Bachelor of Science in Food & Resource Economics with a concentration in Agribusiness Management & Marketing.


ASSOCIATE, Cushman & Wakefield

Clinton McKellar is an Associate in Cushman & Wakefield’s Tenant Services Group, joining the firm in 2011.   He and his team specialize in tenant representation and consulting services for both local and national clients.  Mr. McKellar takes a focused, hands-on approach in formulating creative solutions that add significant value to his clients’ real estate transactions.  He provides his clients the necessary information to make intelligent business decisions and achieve their business and real estate objectives. 

Prior to joining Cushman & Wakefield, Mr. McKellar worked for an Atlanta industrial brokerage firm where he gained a solid foundation in market knowledge and transaction experience.

A graduate of Southern Methodist University, Mr. McKellar is a licensed salesperson in the State ofGeorgiaand a member of the Atlanta Young Real Estate Professionals, the Atlanta Commercial Board of Realtors, the Georgia Association of Realtors, and the National Association of Realtors.

Mr. McKellar is an avid golfer and fisherman and enjoys volunteering with The First Tee of East Lake in his free time.