Green Bay . Ashwaubenon . Depere . Howard . Suamico . Bellevue . Allouez . Hobart .  Brown County .    Mark Hilgenberg Mark has been actively been selling real estate for over 20 years and has earned top sales awards on national level from both Re/Max, Coldwell Banker, and Realty Executives. Mark works as the Team Leader providing a group of inspiring individuals who take care of all aspects of the real estate experience. For over two decades we have been trying a little harder every year to be the best. We are equipped to give our clients and customers the very best of service, whatever it takes to get the job done.