Our Team

Meet the MICO Team

Main Office

  • Massey Itschner & Co., P.C.
  • 820 Main Street, Suite 101
  • Kerrville, TX 78028
  • Main Number: 830-257-5330
  • Fax: 830-257-4775
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Jeff Gelsone, CPA

Managing Shareholder
  • Main Number: 830-257-5330 ext. 16
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Education: 

Texas State University

Bachelor of Business Administration in Accounting

Bio:

Raised in Kerrville, Jeff joined the MICO team in 1995 and became a shareholder in 2014. He served in the Army Reserves from 1988 to 1996 and played college football at Texas State University. Jeff is a board member of the Riverside Nature Center, a member of the First United Methodist Church and a founding member of the Hill Country Young Men's Business League. Jeff enjoys traveling with his wife Carol and spending time with their kids and granddaughter.

Randy Evans, CPA

Shareholder
  • Main Number: 830-257-5330 ext. 18
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Education:

University of Texas at San Antonio

Bachelor of Business Administration in Accounting

Bio:

Raised in Kerrville, Randy began his career in 1986 working for a number of large national and international accounting firms in San Antonio. He joined the MICO team in 2000 and moved back to his hometown with his wife, Shana. Randy became a shareholder in 2014. He and Shana have raised three wonderful children and enjoy spending time with them and their two grandchildren. When he's not with family and friends or at the office, you'll find him relaxing with a round of golf.

Casey Mikeska, CPA

Shareholder
  • Main Number: 830-257-5330 ext. 21
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Education:

Schreiner University

Bachelor of Business Administration in Accounting and Information Systems

Bio:

Raised in Kerrville, Casey joined the MICO team in 2009 and became a shareholder in 2021. He continues to call the Hill Country home with his wife, Bethany, and their young daughter. Casey serves as Treasurer for the Hill Country Youth Orchestras and the Association of Property Owners of Riverhill. While he loves spending most days helping clients achieve their goals, he also enjoys the outdoors, golfing and rooting for the Dallas Cowboys and Chicago Cubs.

Royce Itschner, CPA

Professional Staff
  • Main Number: 830-257-5330
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Education: 

Texas A & I University

Master of Business Administration

Bachelor of Business Administration in Accounting and Finance

Bio:

Royce founded MICO with Alan in 1995 and lives in the Hill Country with his wife, Cynthia. Royce also serves as Managing Director at Clear Rock Advisors and is a member of Trinity Baptist Church. Along with a passion for ensuring his clients' success, Royce also enjoys spending time with his family and being outside golfing, fishing and hunting.

Cathy Barker

Office Manager
  • Main Number: 830-257-5330 ext. 11
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Bio:

Hailing from Canoga Park, CA, Cathy moved to Kerrville in 1978 with her husband (and high school sweetheart), Bob. Cathy has been with MICO since day one and originally worked for Royce before he cofounded the firm. She's a member of the Notre Dame Catholic Church and a volunteer at the St. Vincent De Paul food pantry. Cathy loves the beach, springtime, traveling and spending time with her children and grandchildren.

Kay Neffendorf-Petsch

Professional Staff
  • Main Number: 830-257-5330 ext. 26
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Education:

Schreiner University

Bachelor of Business Administration in Accounting

Bio:

Born and raised in Fredericksburg, TX, Kay is a Hill Country native who joined MICO in 2002. When not working with clients, she enjoys an assortment of outdoor sports including golf, skiing, water skiing and equestrian activities.

Lesa Hollan

Professional Staff
  • Main Number: 830-257-5330 ext. 19
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Education:

Schreiner University

Bachelor of Business Administration in Accounting

Bio:

Born and raised in Fowlerton, TX, Lesa originally moved to Kerrville for college. While in school, she worked for the Kerrville Convention & Visitors Bureau and joined the MICO team in 2000. When Lesa's not at the office, you'll find her at Home Depot for home improvement projects or reading mysteries. She also loves to travel and photograph her adventures.

Brendon Graff

Professional Staff
  • Main Number: 830-257-5330 ext. 17
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Education:

Schreiner University

Master of Business Administration in Ethical Leadership

Bachelor of Business Administration in Accounting

Bio:

Raised in a hardworking family in Hondo, TX, Brendon received his BBA and MBA from Schreiner. He joined the MICO team in 2019 and is currently studying for the CPA Exam. When not at the office or with family, he loves to spend his free time hunting, fishing, hiking and practicing clay target sports.

Jasmin Garcia

Professional Staff
  • Main: 830-257-5330 ext. 14
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Education:

Schreiner University

Bachelor of Business Administration in Accounting

Bio:

Born and raised in Kerrville, Jasmin received her accounting degree from Schreiner, graduating Summa Cum Laude. Shortly after she joined the MICO team in 2020. When not at work, Jasmin loves playing the violin and has been a violinist for 16 years. 

Nancy Blanchard

Paraprofessional
  • Main Number: 830-257-5330 ext. 25
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Bio:

Nancy was born in San Antonio and moved to Kerrville in 1985 with her husband, Steve. She joined MICO in 2008 after having worked with other local companies and CPA firms. Nancy loves music and has been involved with local churches music ministries since 1985. She also always looks forward to family time with her children and grandchildren.

Leticia Sifuentes

Office Administrator
  • Main Number: 830-257-5330 ext. 10
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Bio: 

Born in Kerrville, but raised all around the States while her dad worked with the VA hospital, Leticia eventually moved back to Kerrville to raise her own family. She joined the MICO team in 2006 and is a member of the Notre Dame Catholic Church, volunteers with youth groups and loves spending time with the local senior community. When she isn't at the office, Leticia enjoys spending time with her husband, Patrick, and her two daughters. She also loves to travel and is on a mission to visit every state in the U.S.

Dennis Glenewinkel

Principal Emeritus
  • Main Number: 830-257-5330
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Education:

Texas A&M University

Master of Business Administration in Organization and Administration

Bachelor of Business Administration in Finance

Bio:

Raised in New Braunfels, TX, Dennis lives in Kerrville with his wife, Marie. He served as an officer for four years in the U.S. Air Force and had a banking career spanning 30 years after which he joined MICO as a business consultant for 22 years. Though officially retired, Dennis continues to consult internally for MICO. He and Marie have two children and five grandchildren together, and when he's not at the office, he loves to golf, fly fish and garden.

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