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About Us

About Our Firm

Threadgill, Ryan & Associates, P.C. is a local accounting firm established in 1984. Our mission is to help clients maintain financial viability in the present while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients' needs, thorough research, and sound analysis. Our firm is dedicated to meeting these goals with high standards of excellence and professionalism.

Threadgill, Ryan & Associates, P.C. is a member of CPAConnect, an alliance of CPAmerica, Inc., that is one of the largest associations of independent CPA firms in the world. The firm has been named by AdvisoryHQ as one of the top 12 Best Accounting Firms in Austin, Texas for 2016 and 2017.   

Our Team

Janet C. Ryan, CPA, CFP - Shareholder

Janet is an honors graduate from The University of Texas at Austin and is licensed by the Texas State Board of Public Accountancy as a Certified Public Accountant. She is also licensed as a Certified Financial Planner.

Janet began her career with Threadgill, Ryan & Associates, P.C. in 1985 and became the firm’s leading shareholder in 2011. She began her public accounting career with KMG Main Hurdman (now KPMG) in the Midland, Texas office.

Janet has been awarded the 2012 and 2017 Five Star Wealth Manager Award in Taxation. She is a present member of the Central Texas Estate Planning Council in which she has served as President, 1st Vice President, 2nd Vice President, Secretary, Treasurer and Member at Large. Janet is a past member of the Austin Chapter of CPAs in which she was Chairman of the Young CPAs, Member at Large, Treasurer, Secretary and Committee Member of the Long-Range Planning Committee. She is also a past member of the Texas Society of CPAs in which she was a committee member of the Leadership Development Committee, and committee member of the Financial Planning Committee. Janet was awarded the 1990-1991 President’s Service Award Texas Society of CPAs for all of her work and dedication to the organization.

Janet’s community involvement has included: • Texas Photographic Society, Treasurer • Breast Cancer Resource Center, Treasurer • Home and School Association at St. Louis School, Treasurer • River City Rangers Soccer Club, Treasurer • Anderson High School Girls Soccer Booster Club, Treasurer

Janet feels fortunate to be surrounded by a great team of affiliates. Her goal is to help clients with tax compliance and to succeed financially in life.

Cassandra “Casey” T. Anderson, CPA - Shareholder

Casey is a graduate of the University of Texas at El Paso with a Bachelor of Business Administration in Accounting and Finance. She is licensed by the Texas State Board of Public Accountancy as a Certified Public Accountant.

Casey started her career with Threadgill, Ryan & Associates, P.C. in August 2000 and became a shareholder of the firm in 2011. Prior to that, she worked in corporate accounting for a large insurance company in Austin. Casey is a member of the Austin Chapter of TSCPA and the Estate Planning Council of Central Texas in which she is currently serving on the board. She is a member of the First United Methodist Church of Round Rock and has served in different ministries of the church. Other community involvement includes Boy Scouts of America, RRISD PTA, Booster Club associations and Round Rock Youth Baseball.

Casey grew up in El Paso, Texas which was a great place. But once she saw the beautiful Central Texas Hill Country she was hooked and has spent most of her adult life in the Austin area. She feels privileged to work with some of the most fascinating clients in helping them with tax compliance and planning.

Jose M. Vela, CPA – Staff

Jose is a graduate of the University of Texas at Brownsville with a Bachelor of Business Administration in Accounting. He is licensed by the Texas State Board of Public Accountancy as a Certified Public Accountant.

Jose has been with Threadgill, Ryan & Associates, P.C. since 2014 serving the financial and tax needs of businesses and individual clients. He previously worked in public accounting in the tax department for a regional firm in Brownsville and is a current member of the Austin Chapter of the TSCPA.

Jose was born and raised in Brownsville and is a United States Navy Veteran. He is fluent in English and Spanish. He particularly enjoys empowering clients with Quickbooks knowledge.

Thomas C. Cepek, CPA – Staff

Tom is a graduate of Robert Morris University in Pennsylvania with a Bachelor of Science in Accounting. He is licensed by the Texas State Board of Public Accountancy as a Certified Public Accountant and is also a Certified Pro Advisor in Quickbooks.

Tom joined Threadgill, Ryan & Associates, P.C. in 2014 and brings with him over 13 years of experience in public accounting. He is a current member of the Austin Chapter of TSCPA.

Tom was born and raised in Pennsylvania. He moved to Texas in 2014 to take advantage of our seasonal temperatures. He enjoys preparing tax returns for a wide range of individuals, corporations and partnerships.

Iris Roque Perez, CPA - Staff

Iris graduated from the University of Texas at Austin with a Bachelors of Business Administration in Accounting. She is licensed by the Texas State Board of Public Accountancy as a Certified Public Accountant.

Iris has been with Threadgill, Ryan & Associates, P.C. since 2016. She began her accounting career in public accounting then moved to the private industry sector shortly thereafter. After 13 years of progressive accounting experience she is excited to be back in public accounting. She actively participates in her children’s school PTA programs and activities, in particular with the Food Allergy Awareness Committee which she founded and led as Committee Chair for 3 consecutive years.

Iris is a self- motivated and detail-oriented CPA with a work history that reflects her ability and willingness to undertake challenges that may arise in the tax field. Her dedication, organizational skills and attention to detail enable her to prepare tax returns in a timely and efficient manner.

Leslie Acosta Bhattacharya, MBA, JD, LLM – Staff

Leslie is a graduate of Golden Gate University (San Francisco) with a Masters of Law in Taxation. She received her law degree from South Texas College of Law. She holds a Master of Business Administration in Accounting and a Bachelor of Business Administration in Finance from the University of Houston.

After graduation, she worked at a midsized CPA firm in Houston for a couple of years. Soon after, she got married and moved to San Francisco to be with her husband and begin her family. In San Francisco, she worked for KMPG, local attorneys, and small CPA firms preparing tax returns, resolving tax audits, and conducting research and writing on various estate and income tax issues.

Leslie returned to Texas and joined Threadgill, Ryan & Associates, P.C. in February 2018 with a renewed interest in public accounting. She is enjoying being back in Texas and exploring Austin with her husband and three children. In order to get to know her new community, she volunteers at Rouse High School, Stiles Middle School, and Monta Jane Akin Elementary in the Leander Independent School District.

Virginia Hart - Staff

Virginia graduated summa cum laude from Park University with a Bachelor’s degree in Management/Health Care with a second major in Accounting.

Virginia has been with Threadgill, Ryan & Associates, P.C. since 2012 as a part time accountant and has many years of experience in accounting and tax. She previously owned her own bookkeeping and tax business. Virginia is a member of several professional organizations, a long-time member of Rotary International and a current member of the Northwest Austin Rotary Club.

Candace Garcia, CPA - Staff

Candace is a graduate of the University of Texas at Austin with a Bachelor of Business Administration and a Master’s in Professional Accounting. She is licensed by the Texas State Board of Public Accountancy as a Certified Public Accountant.

Candace has been in public accounting since 2004 including an internship with an international middle-market firm. She worked full time for many years, cutting back to part time in the last few years. The vast majority of her experience is in the construction and dental industry working with people from local sole-proprietors to multistate corporations. She enjoys working with companies to complete their payroll, bookkeeping, federal, state and local tax filings. She is a current member of the AICPA.

Candace is a born and raised Texan who enjoys traveling and being outdoors with her family. She continually tries to improve her skills in everything she does and loves learning new things.

Sharon Babin - Office Administrator

Sharon graduated from Louisiana State University with a BS in Business Administration. She began her career in customer service where she worked in the insurance industry.

Sharon joined Threadgill, Ryan & Associates, P.C. team in 2006 where she attributes her success to the ability to plan, schedule and handle many different tasks at once. She enjoys volunteering for various ministries in her church and with Project Linus. She has also volunteered in many capacities at St. Louis School and in Leander ISD.

Sharon’s optimism and passion for people help her strive to provide superior customer service to our clients. She enjoys greeting clients and guiding them in getting answers to their questions.

Founder

Marcia C. Threadgill


Marcia graduated from the University of Texas at Austin. She was a member of the Austin Chapter of TSCPA, served as a committee member on the TSCPA Ethics Committee, and was a member of the Estate Planning Council of Central Texas. Marcia is now fully enjoying retirement.