Our Team

Professional photo of William Mears / Managing Broker

William Mears / Managing Broker


608.314.8251 608.359.3031 bill@mcguiremears.com

Bill Mears is a Principal at Coldwell Banker Commercial McGuire Mears & Associates and serves as Managing Broker. Before entering the Janesville WI real estate industry in 1996, he spent 20+ years managing and directing county-wide economic development in southeast Michigan. While there, he provided consulting services to both the private and public sectors regarding land acquisition for commercial and industrial park development, site acquisition for private and publicly held companies, and implemented marketing strategies for communities and municipalities. Bill is a well-respected commercial real estate industry veteran and has earned numerous distinctions throughout his 25+ years in real estate. He has been recognized by Coldwell Banker Commercial as a top-producing agent in the state and continues to be recognized by the CoStar Group as a Power Broker in the Milwaukee and Madison markets.


CoStar Power Broker

Coldwell Banker Commercial Circle of Distinction - Bronze Level: 2008, 2014, 2019, 2022  Silver Level: 2020, Gold Level: 2017, 2021

Top Coldwell Banker Commercial Sales Person by State 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022


Industrial, Investment, Land, Landlord Representation, Office


Member, Society of Industrial and Office REALTORS, REALTOR, National Association of REALTORS, Certified Commercial Investment Member

Professional photo of Mandy Witt / Senior Associate

Mandy Witt / Senior Associate


608.314.8252 608.751.9108 Mandy@mcguiremears.com

Mandy Witt specializes in retail and office sales and leasing at Coldwell Banker Commercial McGuire Mears & Associates in Janesville, Wisconsin. Witt has been involved with economic development activities since 2004 when she joined the company and was promoted in quick succession from Assistant to Director of Brokerage to Sales Associate and, most recently, Senior Associate. Witt received her B.A. from Alverno College in Milwaukee, Wisconsin, obtaining a double major in Communications and Business Management. Her passion for and experience with retail and office is a perfect pairing of her professional and personal interests. In addition to her career in commercial real estate, Mandy is dedicated to her community as an active member and past President of the Janesville Noon Rotary, a fitness instructor for the Janesville Athletic Club, and an enthusiastic University of Wisconsin sports fan.


CoStar Power Broker - Top Retail Leasing Broker 2015, 2017


Landlord Representation, Office, Retail, Seller Representation, Tenant Representation


International Council of Shopping Centers

Professional photo of Adam Shultz / Broker

Adam Shultz / Broker

608.314.8257 608.201.4794 Adam@mcguiremears.com

Adam Shultz is a Broker at Coldwell Banker Commercial McGuire Mears & Associates in Janesville, Wisconsin, teamed up directly with managing broker Bill Mears. In addition to his multiple years in real estate specializing in industrial, investment, vacant land, and office sales and leasing, Shultz brings seven years of previous finance and sales experience to the team. Shultz received a B.A. from UW-Madison in both Spanish and Economics. Coming from a background in commercial lending, Shultz possesses the knowledge and creativity to structure debt and financing in order to help execute commercial real estate deals. Adam is also an involved Goodwill Ambassador for Forward Janesville Inc and enjoys spending time outdoors with his fiancé, son and two dogs.


Coldwell Banker Commercial 3 Under 30 - 2020

Coldwell Banker Commercial Circle of Distinction - Silver Level: 2021, Bronze Level: 2022


Industrial, Investment, Land, Landlord Representation, Office


English, Spanish

Professional photo of Adrian Graham / Operations & Marketing Director

Adrian Graham / Operations & Marketing Director

608.314.8250 608.774.0364 Adrian@mcguiremears.com

Adrian Graham is the Operations & Marketing Director at Coldwell Banker Commercial McGuire Mears & Associates in Janesville, Wisconsin. She brings several years of service industry experience, including multiple years of restaurant management and promotions. Adrian, a Janesville native, studied Political Science at UW-Milwaukee. Adrian graduated from the Leadership Development Academy of Rock County in 2022. She sits on the Janesville Area Crime Stoppers Board of Directors and is the YWCA of Rock County Board of Directors Vice President. Adrian loves spending time with her husband, son, and daughter in her free time.