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Fax: 636-441-1040
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Anna
Owner/Operator
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Doug Osgood
Enrolled Agent
Doug is an enrolled agent (EA). He has twenty-five years of experience, including thirteen as a franchise general manager of as many as thirty-five Jackson Hewitt tax service offices. He has managed up to three hundred preparers and fifty support staff. While at Jackson Hewitt, he taught all their tax classes, from basic introductory courses to advanced tax topics.
Doug came to Sederburg and Associates in the late fall of 2015. In addition to preparing returns for individuals and businesses, he manages our data entry staff and handles our in-house tax training.
Originally from Jamestown, New York (home of Lucille Ball and the National Comedy Center), in 1993, he hopped a wagon train (that looked suspiciously like a Dodge Shadow) and made his way to St Charles.
Doug is married with one son. His wife, an occupational therapist, has tolerated him since 1985. During the off-season, Doug writes western novels and short stories of various genres. His work has appeared in local anthologies, Saddlebag Dispatches and the April 2021 Chicken Soup for the Soul Too Funny.

John
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Steve Hollrah
Registered Tax Consultant
Steve is a fifth-generation family member to be born and raised in St. Charles County. He was raised on a farm and enjoyed many years as a 4H member and raising livestock. He attended Immanuel Lutheran School and St. Charles High School. He received his Bachelor of Science degree from the University of Central Missouri.
Steve spent his professional career in the transportation field managing dealerships and as a regional manager for the central part of the US. He served as national treasurer and, most recently, president and national education foundation board member. He has also stayed active in his college fraternity, Beta Sigma Psi.
Steve is celebrating his 20th anniversary of preparing taxes. During his career in tax preparation, he has taught courses in tax preparation and acquired certification from the IRS as a registered tax consultant. During his tax career, he has worked for CJS Tax services in Clermont, Florida, and spent most of his career working for Sederburg and Associates.

Jan Wester
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Jan is a native of Missouri. She has lived in St. Charles for the last 16 years. She has prepared taxes for over 25 years and enjoys helping clients maximize their returns in a stress-free environment.
She earned a Bachelor of Arts in special education and a Master of Arts in educational administration. She has spent 34 years as a special education teacher.
She participates in an after-school program that supports children with disabilities and enjoys volunteering with "the feral companion (a stray rescue group). When she is not working, she enjoys spending time with friends, swimming at the YMCA, and traveling.

Kathy Surman
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Kathy was born and raised in Chicago's southwest suburbs but moved to St. Louis in the late 70s for a few years. She lived in Florida for almost 20 years before returning to St. Louis in 1998. She's been married for over 45 years and has three children and three granddaughters.
Kathy has 20 years of tax preparation experience, with six of those as an associate at Sederburg. After working for the St. Charles County Juvenile office for nearly 16 years, she retired.

Josh Lara
Enrolled Agent
Josh was born and raised in Chicago. He attended North Central College and played college football behind a Division 3 All-American. Josh moved to St. Louis, Missouri, in the summer of 2000 to be with his future wife. They have been married since 2002, and they have one daughter.
Josh has 22 years of accounting or tax preparation experience. He began his career in bookkeeping at an Enrolled Agent (EA) firm. He moved to a Certified Public Accountant (CPA) firm in 2006 to prepare taxes. While working full-time to support his family, he received a Bachelor of Science in Accounting from the University of Missouri St. Louis in 2014.
Josh is also a proud Basset Hound dad, along with a Basset/Lab Mix and a Red Bone Coon Hound Mix. He competitively bowls several nights a week and has achieved 3 - 300 games and 2 - 800 three-game series.

Joe Whalen
Enrolled Agent
Joe was born in St. Louis and has lived here all his life. He obtained a Bachelor of Science in Business Administration, majoring in accounting.
He retired from the State of Missouri Department of Economic Development after 29 years of accounting.
Joe has 37 years of tax preparation experience; 20 years as an Enrolled Agent (EA). He worked with HR Block from 1987 until 2004 and started working with us at Sederburg & Associates in 2005. He is a subject matter expert and proficient at preparing individual, business, and trust returns
Joe and his wife have been married for over 40 years and have four adult children and four grandchildren. He coached little league baseball and softball for 15 years.

Suzanne Miller
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Suzanne is a seasoned business professional with over 30 years of diverse accounting experience. Her love of numbers, attention to detail, and desire to help others make her a valuable Sederbug & Associates team member. After retiring from full-time work in September 2021, she devoted several months to designing and managing the renovation of several landscaped areas in her neighborhood as a newly appointed HOA board member. While retirement was enjoyable, there was an inner longing to return to her financial roots. When not crunching numbers, Suzanne enjoys hiking, hanging out with her canine companion, and gardening.

Julie Kaufmann
Tax Preparer
Julie was born and raised in St. Charles County, Missouri, and has been with Sederburg & Associates as a preparer since 2020. She obtained a bachelor's degree in Accounting from Maryville University and has over 20 years of Accounting experience, specializing in transactional tax and personal property assessments. Julie has worked as an accountant for the American Red Cross, St. Louis Bi-State Chapter, Edward Jones, and GFI Digital. In her free time, he enjoys spending time with her three kids, exercising, and enjoying the outdoors.

Robert Detz
Tax Preparer
Robert has over 20+ years of experience in the financial sector specializing in income documents, personal tax returns, and business returns. As an actuary in the mortgage industry, he has obtained numerous professional licenses, including Certified Residential Underwriter CRU, VA Staff Appraisal Reviewer SAR, VA Credit underwriting authority, and HUD Direct Endorsement DE.
This is Robert's first year with Sederburg and Associates, which has become a family affair. Robert's mother, Maureen Detz, Enrolled Agent (EA), and his niece MacKenzie Taylor work at Sederburg.

Dale Lindemann
Tax Preparer
Dale Lindemann was born and raised in St. Charles County Mo. He attended Immanuel Lutheran School followed by Francis Howell High School. After high school he attended Washington University in St. Louis majoring in accounting. He was employed by McDonnell Douglas and Electronic Data Systems as a Business Analyst and systems designer for the Health Insurance industry. He has been employed by Sederburg and Associates since 2007 preparing tax returns for clients who drop off or mail in their information to have their Federal and State Tax Returns prepared.
Dale is married to Verna and they have four daughters and eight grandchildren. Together Dale and Verna enjoy attending the activities of their grandchildren including Baseball, Basketball, Volleyball and Bowling. One of their granddaughters competes in Track and Field at the Division 1 College level.