Our Team of Experts
Greg Hollibaugh, CPA
Greg is a Nebraska native and a long-time South Dakota resident with experience managing and leading in corporate tax and finance along with extensive accounting experience. He graduated with a Bachelor’s degree in accounting and business administration from Chadron State College.
Greg purchased the practice from Sharon Hoggatt in November, 2017. The firm has been serving western South Dakota for over 40 years.
Greg Hollibaugh CPA, Inc., acquired J. A. Erickson & Co. PC, December, 2019, and merged the firms. We will operate out of both locations, 717 N 5th Street and 617 Dahl Rd. Suite B, through April 30, 2020. After April 30,, all client services will move to 617 Dahl Rd Suite B. We appreciate your loyalty and look forward to serving both firms’ clients in the future.
He is a member of Northern Hills Rotary, Spearfish Chamber, the American Institute of Certified Public Accountants and South Dakota CPA Society. In his spare time, he enjoys spending time with family, hiking and camping in the hills and travel adventures throughout the world.
Mandi Lyons, CPA
Mandi is a North Dakota native and a long-time Spearfish resident with 14 years of experience assisting clients with their accounting and tax needs. She graduated from Northern State University with a Bachelor’s degree in professional accountancy and began working in the firm after graduation.
Mandi passed the CPA exam in December, 2018 and is excited to continue providing a high level of service to clients.
She enjoys volunteering with the Spearfish Fire Auxiliary, supporting youth sports in Spearfish and hosting a Spearfish Sasquatch player with her family. When not working or volunteering, she enjoys spending time with her family and the activities and sports they are involved in.
Marilyn is a South Dakota native and has worked for the firm since 2012 after ‘retiring’ from a rewarding career in the banking business. Providing class leading customer service is Marilyn’s passion and she exemplifies this every day when interacting with clients.
Marilyn is an avid Colorado Rockies baseball fan and if you don’t see her in the office, she is probably attending a game. Besides baseball, she enjoys time with her extended family and traveling to follow her daughter who is a volleyball coach
Andrea is a South Dakota native and began with the firm in 2016. She will graduate in December with a Bachelor’s in business administration from Black Hills State University.
Andrea stays involved with Relay for Life and Special Olympics. When not working or volunteering, she enjoys time with her husband, two children and extended family.
Stephani is a South Dakota native and has worked with the firm for 4 years. She has 12 years of experience in customer service, and strives to create a comfortable and inviting atmosphere for all clients. She is a fast learner and quick to become familiar with each client and their needs.
Stephani enjoys spending time with her fiancé and their 2 year old daughter. In her spare time you’ll find her playing recreational volleyball, exploring the hills, reading a good book or spending time with extended family.
Tammi is a South Dakota native and came to the firm in 2019 from Casey Peterson, Ltd. She graduated from Black Hills State University in 2018 with a degree in Professional Accountancy.
Tammi volunteers within the Spearfish community, especially at Our Saviors Lutheran Church. When not working or volunteering, she enjoys spending time with family and friends. She also enjoys watching her husband and son participate in wrestling and baseball.
Meet Our Team
Our experienced staff is here to help with your financial goals and to answer your questions.
We are here to maximize your time and money.
Put your dollars to work. Take the stress and headache out of tax reporting and bookkeeping. Whether it is your personal finances or you own a business, our list of services provides a peace of mind to your pocketbook.
At Greg Hollibaugh CPA, our standard is set high for our clients. Your personal or business finance is as important to us as it is to you. That is why you can expect trustworthy and confidential service.
Years of experience make for smart financial advice!
Greg Hollibaugh CPA was once known by another name. Greg purchased the business from Sharon Hoggart in 2018, and brings to the business over 20 years of accounting experience.
Our commitment to customer satisfaction is our driving force. We know your dollars are not easily earned, and we are committed to helping you manage and account for those dollars the most efficient way possible.
Get In Touch
Make an appointment today to chat with Greg and his team. Let’s see what we can do for your financial goals.
Greg Hollibaugh CPA
We are here to maximize your time and money. Offering business and personal tax & accounting services.
Trustworthy. Expertise. Customer Care.