Winnebagoland Chapter Board of Directors
2020-2021 Program Year
Position Descriptions can be found here
|Colleen Srnka, CMA
IMA Global Liaison
|Colleen M Srnka re-joined IMA in 2013, becoming involved with the chapter board and earned CMA in 2016. She earned a MBA from UW-Oshkosh and BS-Accountancy with Computer Science minor from UW-LaCrosse.
Colleen recently worked as a Financial Cost Analyst contractor through Experis Finance. She has been a seasonal individual tax preparer with H&R Block since 2009.
Throughout her career, Colleen has been involved with ERP systems primarily within manufacturing organizations. She has worked with marrying business processes and system capabilities from Procure to Pay, Inventory Management, Production, Order to Cash, and Prepare to Report. She has held various roles including Financial Analyst, Manufacturing Systems Consultant, Implementation Coordinator, Business Process Re-Engineering, Modification Specification Writer/Quality Assurance, and Trainer.
|Amber Beistle, CMA
|Amber is currently an Accountant for Miller Electric Mfg. LLC and has been with the company since 2013 in various roles. She earned her Bachelors Degree in Accounting and Supply Chain Management from UW Oshkosh in 2018 and recently received her Certified Management Accountant designation.
Amber has been a member of the IMA since 2016. She has been the chapter secretary since 2018.
|Gayle Brown, CMA
|Gayle has spent her career working in various accounting roles in manufacturing. She is currently a controller for Essity. She has been a Certified Management Accountant since 2009, earned her Masters Degree in Business Administration from UW Oshkosh, and her Bachelors Degree in Accounting from Lakeland College.
Gayle has been a member of the IMA since 2001. She has been the Winnebagoland Chapter treasurer since 2009.
Director of Meetings & Webmaster
|Martha is the site controller for Amcor Flexibles North America's Oshkosh North plant. She has been with Amcor (formerly Bemis) for more than 15 years in various corporate and plant level finance positions.
Martha has been a member of the IMA since 2004. She has been the meetings director (and held various other positions) since 2005. She has been on the regional council board since 2016.
Community Service Coordinator
Craig is currently the AVP of Finance at Community First Credit Union. He started with Community First Credit Union as a teller in 2001 and has been in the finance/accounting department since 2003. Craig received his Bachelor’s Degree in Accounting from UW-Platteville.
Craig has been a member of the IMA since 2009. He has been on the chapter board since 2013, serving in various roles including VP, President, and Community Service Coordinator.
Member Outreach & Professional Education Committee
|Jill Halverson, CMA, CSCA
Director of Membership
|Jill is an associate professor of business for the University of Wisconsin Oshkosh, Fox Cities Campus. She teaches a variety of accounting, business, and business communication classes. In addition, she teaches for a number of programs, including UW College Courses Online and the Independent Learning program, both offered through UW Extended Campus, as well as the Bachelor of Science in Business Administration flexible degree program offered through UW Parkside. She spent nearly 20 years in "Corporate America” before finding a passion in teaching.
Professor Halverson joined the IMA in 2012 and is a Certified Management Accountant. She also holds the Certificate in Strategy and Competitive Analysis and holds a certificate in the Fundamentals of Sustainability Accounting through the Sustainability Accounting Standards Board. She holds an MBA from UW Oshkosh and a graduate certificate in corporate communications through Concordia University Wisconsin.
John Wieland, CMA, CPA
|John currently owns John R Wieland CPA LLC in Oshkosh. He has worked in public accounting for various firms since he graduated from UWO in 1992. He has primarily focused on taxes, but does some work with clients using Quickbooks. John briefly worked for 3 years for Banta Packaging & Fulfillment, Inc.
John has been a member of the IMA since 1991, serving in many board positions including chapter president in 2005-2006 and Mid-America Council President for 2014-2015.
Program Booklet &
|Emily Nettesheim, Financial Recruiter with Baker Tilly Search & Staffing, LLC, a wholly owned subsidiary of Baker Tilly Virchow Krause, LLP, joined the firm in 2015. With a focus on accounting, finance, and human resource professions, she helps clients find and evaluate talent to fit the long-term needs of their organization across all industries.
Emily has been a member of the IMA since 2015.
Regional Council Representatives
UW Oshkosh Student Chapter Representatives