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Debra A. Zeigler, BS, MS, CPA
Email Deb
303-449-3060 ext. 137
Direct 303-951-6060
Fax 303-951-6061

Deb was born in Michigan and currently lives in Lyons with her husband, Gregg. Their youngest son, Blaine, attended grad school at the University of Kansas and now splits his time between Colorado and Kansas. She has two other sons, Aaron and Bryan, who live out of state with their families that include Deb's three wonderful granddaughters. Deb graduated from the University of Colorado-Boulder with a BS in Accounting and Marketing and an MS in Accounting, taxation emphasis. She specializes in small business, professional practices, trusts, and US expatriates. Deb enjoys hiking, spending time in the mountains, professional and collegiate baseball and basketball, and horticulture.

Carol Bailiff, CPA
Email Carol
303-449-3060 ext. 143
Direct 303-951-6012
Fax 303-951-6013

Carol has worked for the firm since 2002 and is a CPA licensed in Colorado. She holds a BS degree from Metro State University of Denver. Carol has experience working with businesses of all kinds, including limited liability companies, partnerships, S corporations, C corporations, and trusts. She can assist clients with multi-state taxation and has knowledge of QuickBooks, payroll and sales tax. Carol also handles individual tax and tax planning, entrepreneurial and small business advisory services, as well as IRS issues, in order to help clients succeed. Carol loves spending time outdoors, and volunteering with her dog for pet therapy at a local hospital.


Ophelia Chu, MBA, CPA
Email Ophelia
303-449-3060 ext. 111
Direct 303-951-6022
Fax 303-951-6023

Ophelia has extensive public accounting and tax experience. Her expertise includes business and individual tax, tax compliance and planning, and business consulting. She joined the firm in 2005 and holds a Bachelor of Business in Accounting from Fengchia University in Taiwan, and an MBA from the University of Scranton. Ophelia belongs to the COCPA and AICPA. She lives in Longmont with her husband and enjoys hiking, gardening, and reading in her spare time.

Vonda K. Modlin, CPA
Email Vonda
303-449-3060 ext. 141
Direct 303-951-6038
Fax 303-951-6039

Vonda has a BS degree in Accounting from Colorado State University and obtained her Colorado CPA license in 1996. She worked for the State of Colorado Health & Human Services as an auditor for several years, another local CPA firm, and various other jobs as an accountant before coming to our firm in December of 2000. During her free time, Vonda enjoys crafting and traveling. She is a Colorado native and calls Longmont home.

Natalie Swartz, CPA
Email Natalie
303-449-3060 ext. 129
Direct 303-951-6050
Fax 303-951-6051

Natalie is a Colorado native, born and raised in Salida. She gained her accounting experience at a young age, as her Dad owned his own CPA practice. Whether it was cleaning the office weekly to earn extra cash for college, doing accounting work during the summer breaks, or eventually working for him right after obtaining her BS in Accounting from the University of Northern Colorado in three and a half years, she has had accounting in her blood for a long time. Natalie joined the firm in 2005 and she resides in Lafayette where remodeling projects on her home keep her busy.