David A Hagen, CPA
Certified Public Accountant

David Hagen, CPA graduated from the University of WI Whitewater in 1975. He passed the CPA exam in 1979. David has been preparing taxes since 1975 and officially opened Hagen CPA, LLC in 1976.  He is currently a member of the American Institute of Certified Public Accountants, The Wisconsin Institute of Certified Public Accountants, and The National Association of Tax Professionals. He also serves as treasurer of the South Central WI Builders Association. Other organizations he belongs to include Forward Janesville, Milton Chamber of Commerce, and the Elks #254.

Denise M Webb, EA
Enrolled Agent

Denise Webb, EA joined Hagen CPA, LLC in 1999.  She passed the Enrolled Agents Exam in 2007 and is now able to represent her clients in front of the IRS.  Denise currently serves as the Human Resource and Marketing Manager.  She is currently a member of the Janesville Noon Rotary Club, Ambassador for Forward Janesville, Treasurer for Milton Chamber of Commerce, Visitor Host and past President and Treasurer of Business Networking International, 7th and 8th Grade boys Confirmation Leader, Hope Lutheran church, National Association of Tax Professionals, National Association of Enroll Agents, Human Resources Specialist in Compensation and Benefits, Professional Women of Wisconsin, Milton Football Booster Club,  Past President of Friends of Northside and Past Treasurer of  CSA Boys Booster Club. Her activities of interest include traveling, golf, reading, giving to charities’ such as Salvation Army Adopt a Family and Toy Drive and other local charities, and spending time with family, she also enjoys collection of Department 56 Snow babies and Halloween houses.

Laura Brown 
Payroll Specialist

Laura joined Hagen CPA in 2005 as a payroll specialist. Laura obtained her associates degree from Blackhawk Technical College in 2001. She is a member of the American Payroll Association and a Notary Public. She enjoys walking her dogs, biking, and spending time with her grandchildren.

Sue Mullen
Tax season assistant

Sue Mullen joined Hagen CPA in 2006. She serves as support staff during the busy tax season. Before joining Hagen CPA, Sue worked in the financial industry for 20 years. She is a former “Woman of Distinction” and has served on several boards. The YWCA is an organization that is close to her heart. Sue enjoys working and meeting new people. During the summer months she loves to travel and spends time at the lake with her family.


Chris Smolinski

Chris Smolinski joined the firm in December of 2014.  He received a BA in Accounting from UW-Whitewater in December of 2013 and is currently studying for the CPA Exam. Chris is currently a member of the Wisconsin Institute of Certified Public Accounting and American Institute of Certified Public Accountants as an aspiring CPA.  When not working, Chris enjoys spending time with his family, traveling, attending sporting events, and golfing.



Josh Landers

Joshua joined Hagen CPA in 2014 as a staff accountant. Joshua obtained his bachelor’s degree in 2011 from Maranatha Baptist University (formerly Maranatha Baptist Bible College). Joshua is working on his master’s degree in accounting from Franklin University Online. Joshua is a student affiliate member of the American Institute of Certified Public Accountants, and is preparing to take the CPA exam.


Amanda Purkapile
Staff Accountant

Amanda Purkapile joined Hagen CPA in September of 2014.  She received a BA in Psychology in 2007 from UW-Madison and a BA in Accounting in 2014 from Upper Iowa University.  When not working, most of Amanda’s time is devoted to family.  She also enjoys reading, painting, and camping.



Rob Vega
Staff Accountant

Rob Vega is a new Tax Preparer with Hagen CPA for the 2014 tax season. Rob has four years of tax preparation experience before joining Hagen CPA. He specializes in personal and small business tax. Rob received his Bachelor’s Degree in Personal Finance with an emphasis in Accounting from the University of Wisconsin – Madison in 2002. In the summer months, Rob enjoys spending time with his wife and two children. Rob also is the Managing Partner of a business in the Janesville area.


Marsha Pearson
Payroll Specialist

Marsha Pearson joined Hagen CPA in 2014. She received her bachelor’s degree in 2014 from Colorado Technical University and is currently pursuing her master’s degree. She enjoys traveling with her family and reading. One of her favorite quotes by Helen Keller is: “Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence”.


Jennifer Jones
Staff Accountant

Jennifer Jones joined Hagen CPA in November 2014. She received her Associate’s degree in 2013 from Blackhawk Technical College. She is currently enrolled at Upper Iowa University where she will receive her Bachelor’s degree in August 2015. When she is not at work or school, Jennifer enjoys traveling, fishing, and watching football.