Our Company

Leadership

McCullough Rossi firm leaders and professionals are committed to the success of each client. We leverage our technical and industry experience and resources to offer solutions that fit client needs. Our leadership and professional staff are Certified Public Accountants and members of the AICPA and Illinois CPA Society, and our work is peer reviewed by the industry. We take pride in our accomplishments and our ability to help clients reach their goals.

BIO

Don McCullough

OWNER, C.P.A

BIO

Joe Rossi Sr.

OWNER, C.P.A

BIO

Jeff Weichman

C.P.A

BIO

Joe Rossi Jr.

C.P.A

OWNER, C.P.A

Don McCullough

Don, along with Joe Rossi Sr., started McCullough Rossi in 1984 and takes pride in resolving complex tax situations for the firm’s wide variety of clients. He also enjoys knowing that each workday presents a new challenge.

Education: Michigan State University, Bachelor’s degree in Accounting
Founded McCullough Rossi: 1984

OWNER, C.P.A.

Joe Rossi Sr.

Joe, a hardworking client advocate and businessman, started McCullough Rossi in 1984 and has been a mentor to his associates ever since. He’s extremely proud of the team he’s built at his firm, and he’s enjoyed working with his broad client range for so many years. Joe leads the entire firm with the following philosophy: “Work hard, and treat your customer’s business as if it were your own.”

Education: Bachelor’s degree in business and C.P.A. designation at DePaul University
Founded McCullough Rossi: 1984

C.P.A.

Jeff Weichman

Jeff prides himself on being able to clearly communicate financial information to his clients in a way that helps them manage their business. He believes in providing solutions to client problems, and has proven he is skilled at ascertaining clients’ needs and tailoring McCullough Rossi’s services to meet those needs. He enjoys being considered a trusted advisor to his clients and having his ideas positively impact family businesses.

Education: Bachelor’s degree in accounting at Illinois State University
Joined McCullough Rossi: July 1998

C.P.A.

Joe Rossi Jr.

As a younger member of the McCullough Rossi staff, Joe brings a new and different perspective to the cultural, technological and business development side of the firm. His role as a financial accounting and tax advisory associate makes him well suited to help his clients in any way possible, but he also appreciates and embraces the wealth of knowledge and experience found among his coworkers.

Education: Master’s degree in accountancy at the University of Illinois at Champaign/Urbana
Joined McCullough Rossi: January 2012

C.P.A.

Matt Amburn

Matt’s ability to handle all aspects of his clients’ needs, whether it be assisting with their monthly and year-end accounting, preparing financial statements and tax returns or providing any additional business services, has been a great asset to McCullough Rossi for years. His priorities have always been to work hard and give his clients his very best every day.

Education: Bachelor’s degree in business at University of Wisconsin-Whitewater
Joined McCullough Rossi: January 1991

C.P.A.

Mark Gholson

Mark enjoys working at McCullough Rossi because he’s able to focus on each client’s specific and unique needs. He is proud to work for a company that does not take a cookie cutter approach when dealing with financial solutions and business operations.

Education: Western Illinois University, B.S. and DePaul University, M.S.T.
Joined McCullough Rossi: October of 1989

C.P.A.

Ross Gitter

Since he pursued accounting later in his career, Ross appreciates his colleagues that have been in the industry for decades and help him to improve all aspects of his accounting knowledge. He enjoys the courteous and professional culture of McCullough Rossi and the opportunity to establish close relationships with customers while offering unique and individualized services tailor fit for their needs.

Education: University of Illinois at Champaign Urbana
Joined McCullough Rossi: April 2017

C.P.A.

Charles Guzman

Although new to the McCullough Rossi family, Charles has quickly acclimated to all aspects of the business. Whether his clients need tax preparation or auditing help, he knows that his McCullough Rossi team will do the research and work hard to get the job done right. He also enjoys the work/life balance. “Leadership understands that there is a life besides work. It isn’t all about just working you to the ground. It’s about an enjoyable and fulfilled life.”

Education: Bachelor’s Degree in Accounting at Purdue University. Master’s of Accounting Science Degree at Northern Illinois University.
Joined McCollough Rossi: June 2018

C.P.A.

Sheryl Hammel

As a tax specialist, and with nearly 30 years of experience in accounting, Sheryl is an extremely knowledgeable C.P.A. She believes in producing quality work for her clients, and is proud to work alongside those whom she calls “great colleagues” at McCullough Rossi.

Education: Bachelor’s degree in accounting at Indiana University; Master’s degree in taxation from DePaul University
Joined McCullough Rossi: June 1997

IT & DATA CONSULTANT

Brett Johnson

Brent enjoys his consulting role with McCullough Rossi. He specializes in data extraction, report development, and process automation. and takes pride in knowing that McCullough Rossi strives to deliver more to its clients and is happy to be part of the more.

Education: Bachelor’s degree in accountancy from Northern Illinois University
Joined McCullough Rossi: July 2018

C.P.A.

Anne Kozlowski

Anne is certified to take care of auditing and tax services for small to medium-sized companies. She also teaches finance to children at local grade schools through the Junior Achievement program. Anne believes in treating clients and coworkers the way she would like to be treated, which falls in line with the best advice she’s ever received: “If you can be anything, be kind.”

Education: Bachelor’s degree in accounting at Elmhurst College
Joined McCullough Rossi: 1999

C.P.A.

Chris Roberts

“Always double check.” That’s the mantra Chris has followed during his 22 years in public accounting. With a broad range of skills, Chris prides himself on being able to assist his clients with whatever service they may require. He appreciates the historically low turnover rate of clients and staff at McCullough Rossi, saying, “We’ve grown with our customers, and they are confident that we will remain with McCullough Rossi and with them.”

Education: Bachelor’s degree in accounting at Northern Illinois University
Joined McCullough Rossi: January 1993

Our Company

Leadership

Don McCullough

Joe Rossi Sr.

Jeff Weichman

Joe Rossi Jr.

OUR COMPANY

CONTACT

OWNER, C.P.A

Don McCullough

OWNER, C.P.A.

Joe Rossi Sr.

C.P.A.

Jeff Weichman

C.P.A.

Joe Rossi Jr.

C.P.A.

Matt Amburn

C.P.A.

Mark Gholson

C.P.A.

Ross Gitter

C.P.A.

Charles Guzman

C.P.A.

Sheryl Hammel

IT & DATA CONSULTANT

Brett Johnson

C.P.A.

Anne Kozlowski

C.P.A.

Chris Roberts