About Us

CS CPA Group is Centered on your Success. Starting in 2004, we are Maricopa’s first and most
experienced CPA firm. We have over 100 years combined experience serving Businesses and Individuals
with their accounting and taxation needs. Let’s see how we can help you achieve success.

Chris J. Scoggin
Chris J. ScogginCPA
Chris is an Arizona native (ok, almost. He moved to Tempe when he was 1.5 months old.) and has been a CPA continuously licensed in Arizona since 1992. He has worked with businesses and business owners of almost every size but his passion is helping the small business owner grow and succeed.
Chris is married to Shelley Scoggin and they have 2 children, Stephanie and James that are now grown and succeeding in careers of their own. (One is also a CPA!). They also have 2 mischievous dogs, Daisy and Duke. He enjoys boating, fishing and traveling when his schedule permits.

James A. Chaston
James A. ChastonCPA
Jim founded our firm in 2004 in the City of Maricopa, where he lived. He was raised in Utah and Arizona and graduated from Arizona State University in 1994 with an undergraduate degree in Accounting. He then joined the firm of Miller Wagner, where he earned his CPA certification in 1997. Then, after furthering his education and earning a Master’s degree in Taxation in 2001, he decided to step out on his own and build an enduring CPA practice focused on small businesses, their owners and the growing community of Maricopa.
Jim lives with his wife Pamela and they have three adult children.

Craig Neumann
Craig NeumannCPA
Craig joined the firm in 2022. He graduated from Arizona State University with undergraduate degrees in Marketing and Accounting, a Master’s degree in Taxation and an MBA. Craig earned his CPA certification in 2009. With over 15 years of tax consulting experience, he has previously worked for Big 4 and local CPA firms, a firm focused on US-Canadian cross border tax, and a large hotel corporation. Prior to becoming a CPA, he spent 8 years in the US Navy, where he was a nuclear power plant supervisor onboard submarines. Craig’s passions include his two adult children, scuba diving and sailing.
Wendy Carlson
Wendy CarlsonSenior Tax Accountant
Wendy was born and raised in West Allis, Wisconsin. She graduated from UW-Milwaukee in 1993 with her bachelor’s degree in business administration. Wendy has 27 years of experience in accounting and tax preparation, specializing in returns for our Canadian neighbors. In addition to being part of the firm since 2012, she is also a business owner, having her own trucking company and bookkeeping business.

Wendy and her husband Brad have 6 children and just became grandparents. They are gun enthusiasts, so don’t be surprised when you see Wendy in the office with a pistol on her hip. In her spare time, she enjoys working on her family tree, shooting, or curled up on the couch watching movies.

Jennifer Stopa
Jennifer StopaTax Accountant
Jennifer Stopa was born and raised in Washington state. She moved to Arizona at 18 and worked as a cook for many years. Her love of numbers found her changing careers 10 years ago and joined the accounting world. After five years of doing personal and self-employment taxes for family and friends, Jen worked at H&R Block for four years. Jen has a love of knowledge and the inclination to look up and learn anything to solve whatever problem(s) is handed to her. In her spare time, you can find her playing video games with her son, playing outside with her dog, BBQing, or curled up with a good book.
Chris Hilgemann
Chris HilgemannSenior Accountant
Chris began working at the firm in fall of 2010. He grew up in a small town in Minnesota and graduated from North Dakota State University in 2001 (Go Bison!). After college, he moved to the Phoenix metro area and then moved to Maricopa in 2004. He spends his free time watching sports and playing golf, and always enjoys a good happy hour.
Katrina Martinez
Katrina MartinezClient Accounting Manager
Katrina was born and raised in Arizona. She grew up in Flagstaff and graduated from NAU in 2014. After college she moved to Phoenix where she began her professional career in the accounting field. Katrina has worked in several industries including governmental, retail, manufacturing, restaurant, tech based industries and many others.
In her spare time, she enjoys spending time with her little pup, going out with friends and family, and crafting. She also enjoys being very active both outside and in the gym.
Amie Cardona
Amie CardonaClient Representative
Amie joined CS CPA Group as the client representative in January 2020. Prior to that, she worked in the insurance industry as a licensed insurance agent. She has been married to her husband for 38 years. They settled in Arizona after relocating with her husband’s job. She enjoys cooking, crafting, riding on their Harley and spending time with family and friends.
Erica Ramirez
Erica RamirezAdministrative Associate
I was born in Casa Grande, Arizona and raised in the wonderful city of Maricopa. I have worked in customer service for fourteen years. My husband and I have two beautiful daughters and one amazing son, one small furry friend named Ruby and our parakeet named Lorenzo. I enjoy spending time with family and friends. I joined this wonderful team in January of 2022. I’m super excited and eager to learn all I can to be a great help for my coworkers.
Shelley Scoggin
Shelley ScogginBilling Manager
Shelley Scoggin, Billing and Collections Manager, joined CS CPA Group in the summer of 2020. Prior to that, she spent 17 years as a fifth-grade teacher at St. Mary-Basha Catholic School in Chandler. Even though Shelley is out of the classroom, she continues to tutor grade school students. She enjoys spending time with her two adult children, traveling with her husband, bargain shopping, hiking, walking and playing with their two pups, Duke and Daisy.

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