About Jeremy Evans
Jeremy comes from Lexington, Nebraska and has been in the industry for 20 years. He received a Bachelor of Science in Accounting from the University of Nebraska at Lincoln. Jeremy is a certified public accountant having started his career in private accounting in Omaha for 2 years after college and starting with McDermott & Miller in 2003. His specialties include corporate and individual income tax planning and preparation. Jeremy is a member of the American Institute of Certified Public Accounting (AICPA).

Jeremy and his wife Mandy live in Hastings and have three children. Jeremy has spent time volunteering for a number of charitable organizations in Hastings in a variety of roles. He’s a member of the Hastings Area Chamber of Commerce Member, Hastings Area Ducks Unlimited Board Member and Past Treasurer, Hastings Catholic Activities Association Member, Hastings Midget Football Past Board Member and Coach, Hastings Athletics Youth Baseball Past Board Member and Coach, St. Michaels Catholic Church Finance Committee, and Hastings Catholic Schools Foundation Treasurer. Jeremy is one of the founding shareholders of Core CPAs, PC.
About Adam V. Jacobitz
Adam is originally from Kenesaw, Nebraska and obtained his degree from Doane College in Accounting and Business Administration with an Emphasis in Finance. He started with McDermott & Miller in 2004. Adam specializes in agriculture business planning and taxation, small business planning and taxation, personal income tax planning and preparation, and HUD and governmental auditing. He is a certified public accountant and a member of the Nebraska Society of Certified Public Accountants, the American Institute of Certified Public Accountants (AICPA), and through the firm, is a member of both the Nebraska Chapter of National Association of Housing and Redevelopment Officials (NAHRO) and Affordable Housing Association of Certified Public Accountants (AHACPA).

Adam and his wife Molly live in Hastings with their three children. Adam is active in the community and serves as treasurer for both Faith Lutheran Church and Adams Central School Foundation along with being a member of the board for Hastings Communty Foundation. Adam is one of the founding shareholders of Core CPAs, PC.
About Jake Klabenes
Jake is a 2010 graduate of the University of Nebraska at Kearney with Bachelor of Science in Business Administration and an emphasis in Accounting and a Master of Business Administration. He is a certified public accountant running the audit practice of the firm, specifically low-income housing projects and not-for-profit entities. Jake started working in the industry in 2010 with McDermott & Miller and transitioned with the firm in their merger with Lutz in 2017. He is a member of the Nebraska Society of Certified Public Accountants, the American Institute of Certified Public Accountants (AICPA), and through the firm, is a member of both the Nebraska Chapter of National Association of Housing and Redevelopment Officials (NAHRO) and Affordable Housing Association of Certified Public Accountants (AHACPA).

Originally from Clearwater, Nebraska, Jake and his wife Sarah, along with their 2 children, call Hastings their home. When he’s not at the office, he can be found cooking and spending time with family. Jake currently serves as the President of Heartland Pet Connection, the local animal shelter. Jake is one of the founding shareholders of Core CPAs, PC.
About Bryan Frew
Bryan calls Doniphan, Nebraska his home. He obtained his Bachelor’s Degree from the University of Nebraska at Omaha in Accounting. Bryan started his career as a certified public accountant in 2009 with Shonsey and Associates and worked for Lutz for 5 years after Lutz’s acquisition of Shonsey and Associates in 2018. Bryan focuses his work efforts in the tax practice with medical practices, individuals and estates and trusts. He is a member of the American Institute of Certified Public Accountants (AICPA) and the Nebraska Society of Certified Public Accountants.

Bryan lives in Doniphan with his wife Eryn and their 3 children. Bryan is a volunteer board member of the Central Nebraska Athletic Association. Bryan is one of the founding shareholders of Core CPAs, PC.
About Robert Sondag
Robert (Bob) is originally from Clarinda, Iowa and found his way to Nebraska starting in the audit department of Coopers and Lybrand in Omaha and in the tax department of Touche, Ross, and Co in Omaha. He began his career with McDermott & Miller in 1978 and was a shareholder for over 30 years in the Hastings tax department. Bob is a retired inactive certified public accountant and has a Bachelor of Science in Business Administration from Creighton University and a Juris Doctorate from Creighton School of Law. Bob has spent his career helping clients with tax planning and compliance for over 40 years.

Bob was involved in many local boards over his career including Lochland Country Club, Salvation Army, and the Hastings Public Library Foundation. He and his wife of many years, Susan, live in Hastings and have two grown daughters.
About Kathy Thaut
Kathy started her accounting career with McDermott & Miller CPA’s in 1981. She received her accounting degree from Hastings College and went on to become a CPA and shareholder in the firm. Kathy is a member of the American Institute of Certified Public Accountants (AICPA) and the Nebraska Society of CPAs. She specializes in tax and consulting for medical and dental practices, closely held businesses and individuals. She serves as treasurer of Hastings Sunrise Rotary Club.

Kathy lives in Hastings and has 3 grown children and 4 grandchildren. She recently semi-retired after 42 years in public accounting to spend more time with her family, but continues to provide valuable knowledge and service to our clients.
About Mark DeDiana
Mark brings a wealth of national experience to our team. Originally from Latrobe, Pennsylvania, Mark graduated from the University of Notre Dame with a Bachelor of Business Administration in Accountancy. He started his career in 2013 with a regional firm in San Jose, California and began with McDermott & Miller in 2016. Mark specializes in non-profit, single audit, construction, manufacturing, compliance audits, and business and personal income tax. He is a certified public accountant and a certified fraud examiner and a member of the American Institute of Certified Public Accountants (AICPA) and the Association of Certified Fraud Examiners.

In addition to his impressive professional accomplishments, Mark is a devoted husband and father of four. He also dedicates his time to serving as the treasurer of Prairie Loft through his volunteer work.
About Shelly Tork
Shelly is from Hastings and obtained a Bachelor of Arts in Business Administration from Hastings College. She started her career as a certified public accountant with McDermott & Miller in 1984 and has continued with the firm through its merger with Lutz. Shelly’s area of focus is small business consulting and tax preparation, individual income tax, payroll, sales tax, pensions, and restaurants. She is a member of the American Institute of Certified Public Accountants (AICPA), Nebraska Society of Certified Public Accountants, and the American Payroll Association.

Shelly lives in Hastings with her husband Allen. They have 3 adult children. Shelly is the President of the Hastings Library Foundation, Vice President of the Minnie Schlitt Foundation, and a board member of the Sunnyside Foundation.
About Lori Jackson
Lori is a Hastings native and started her career with McDermott & Miller in 1987. She obtained a Bachelor’s degree from the University of Nebraska at Lincoln. Lori specializes in bookkeeping and payroll for clients, helping with day to day questions or assisting in filing quarterly and annual reports.

Lori and her husband Jon have three adult children and two grandchildren, who they are working hard to spoil.
About Danielle Erickson
Danielle is originally from Elwood, Nebraska. She received a Bachelor of Business Administration and German from Doane College and a Bachelor of Accounting from Regis University. Danielle started with Lutz in 2023 after spending 12 years in the banking industry, most recently as the Vice President of Client Services.

Danielle lives in the Hastings area with her husband Shane and their five children. She has served as the Treasurer of the United Way of South Central Nebraska.
About Garrett VanSkiver
Garrett is a Hastings native and began his career in 2020 at Lutz & Company after receiving a Bachelor’s Degree in Accounting from Hastings College. He spends his time focusing on individual and business tax and employee benefit plan audits.

Garrett and his wife Abby call Hastings their home along with their two sons.
About Tara Schneider
Tara grew up in the Kenesaw and Hastings area and received an Associates Degree in Accounting. She started her accounting career in 2000 with McDermott & Miller focusing on payroll and small business accounting. She is a QuickBooks ProAdvisor as well.

Tara lives in Hastings and has 2 grown daughters.
About Tristan Junker
Tristan comes to us from Holdrege, Nebraska with a Bachelor’s Degree in Public Accounting from Morningside University. He started his career with Lutz & Company in 2022 and is a certified public accountant that specializes in agricultural tax and low-income housing audits. He is a member of the American Institute of Certified Public Accountants (AICPA).

Tristan lives outside of Hastings with his wife Desirae.
About Katie Priess
Katie is a Hastings native and started her career in accounting with McDermott & Miller in 2015, first as our receptionist and then transitioning to assisting in the payroll department. She helps clients with payroll and bookkeeping needs along with helping us administratively.

Katie currently resides in Doniphan with her husband, Nathan.
About Jackson VanSkiver
Jackson is a Hastings native and a 2018 graduate of Hastings College with a Bachelor in Accounting. He started his career in 2019 with Lutz & Company. His areas of focus are individual tax, trust and estate tax, and low-income housing audits. Jackson through the firm, is a member of both the Nebraska Chapter of National Association of Housing and Redevelopment Officials (NAHRO) and Affordable Housing Association of Certified Public Accountants (AHACPA).

Jackson serves as the Treasurer of Heartland Pet Connection and lives in Hastings with his wife, Shianne, and their son.
About Marde Thomas
Marde comes from the small town of Hyannis, Nebraska. She has a Bachelor of Fine Arts from the University of Nebraska at Lincoln, a bookkeeping certificate, and is working towards an Associates Degree in Accounting. Marde started with Lutz & Company in 2021. Marde is the heart of our processing department and we couldn’t do everything we do without her.

Marde grew up on her family’s ranch in the Sandhills of Nebraska and now lives in Hastings with her family.
About Jordan Fisher
Jordan is originally from Hastings and received a Bachelor of Arts in Accounting from Hastings College. He started with McDermott & Miller in 2015. Jordan’s area of focus is in auditing and accounting for governments and non-profits, specifically in the low-income housing industry. He is a member of the American Institute of Certified Public Accountants (AICPA), the Nebraska Society of Certified Public Accountants, and through the firm, is a member of both the Nebraska Chapter of National Association of Housing and Redevelopment Officials (NAHRO) and Affordable Housing Association of Certified Public Accountants (AHACPA). Jordan is a certified public accountant in Nebraska and Illinois.

Jordan lives in Iowa City, Iowa since 2020 with his pets. He has in the past, been a board member of Start Over Rover, is an Iowa City Climate Ambassador, and has volunteered with a number of non-profits.
About Samantha Jones
Samantha hails from Roseland, Nebraska. She obtained her Bachelor’s from the University of Nebraska at Kearney in advertising and public relations/marketing. Samantha started with Lutz in January, 2023.
About Sarah Klabenes
Sarah is originally from Clearwater Nebraska and obtained her Associates Degree in Business Administration in 2007. She started with Core CPAs in August 2024 and heads up the processing department.

Sarah resides in Hastings with her husband, Jake, and 2 children.
About Austin Loeffelholz
Austin originally comes from Columbus Nebraska. He graduated from the University of Nebraska at Kearney in 2020 with a degree in Health Sciences and a minor in Healthcare Management. He started at Core CPAs in 2023. In his spare time he likes to golf, and spend time with his godson and family.
About Kevin Fitz
Kevin is a Hastings native. He received his Master of Business Administration with an emphasis in Accounting in 2016. Kevin started with Core CPAs in 2023 after working 20 years in his family’s business, serving the last 4 years as Vice President.

Kevin and his wife live in Hastings with their 3 children.
About Savannah Thornton
Savannah is a Grand Island native. She graduated from Hastings College in 2023 with a Bachelor's in the Arts of Accounting and Business Administration. She started at Core CPAs in 2023.

In her spare time she likes to play with her dogs, cook, and spend time with her family.
About Caroline Anderson
Caroline is originally from Omaha, NE and has been living in Hastings since 2019. Caroline graduated from Hastings College in 2023 and majored in Accounting, Business Administration, and Agribusiness. She enjoy road trips, attending concerts, antiquing, and spending time with family.
What Clients Say...
"It’s great to know that my accounting is handled locally."
"CORE's customized approach was perfect for our business."
"We are glad we made the switch to CORE for our accounting needs."
"CORE takes the stress out of accounting and let's me focus on running my business."