Partners of the Firm


Diana Closterman

Graduated summa cum laude from the Central Missouri State University in 2002 with a Bachelor of Business Administration – functional accounting major.  She then received a Masters of Accountancy Degree from the same university in 2005.  After graduation, she successfully completed the CPA examination.  She is currently a partner/owner of Westbrook & Co., P.C. and is a member of the American Institute of Certified Public Accountants (AICPA) and the Missouri Society of Certified Public Accountants (MOCPA). Diana has been a speaker at the MOCPA governmental accounting and audit conference, the MOCPA school audit conference, the MOASBO conference and various regional school superintendent and bookkeeper conferences. She has published articles for the MOCPA in “The Asset” on Independence and Non-Audit Services and Competence – When it Comes to Auditing, Is Doing One of Anything Ever a Good Thing? She is a member of the Richmond chapter of Kiwanis International and has served as treasurer and secretary of the Waverly Baseball Club and the Waverly Senior Citizens non-profit organizations. Diana resides with her husband Brad in Higginsville and enjoys traveling, woodworking and spending time with her family.

Email: dsc@westbrookcpa.com


Bradley A. Steele

Graduated from the University of Missouri in 1999 with a degree of Bachelor of Science in Business Administration with an emphasis in finance.  After graduation, he began his employment with Westbrook & Co., P.C. and successfully completed the CPA examination.  His audit experience has included a broad range of non-profit organizations and private and governmental entities.  He is currently a partner/owner of  Westbrook & Co., P.C. and is a member of the American Institute of Certified Public Accountants (AICPA) and the Missouri Society of Certified Public Accountants (MOCPA). Brad is active in community programs, such as the Spartan Touchdown Club and is a past director of the Richmond Chamber of Commerce. He resides in Richmond with his wife and children.

Email: bas@westbrookcpa.com


Rita A. Carpenter

Graduated from the University of Missouri in 1982 with a degree of Bachelor of Science in Accountancy.  She is currently a partner/owner of Westbrook & Co., P.C. and has extensive governmental audit experience with an emphasis in Missouri school districts and local government accounting and auditing issues.  She has experience with governmental debt issues and works directly with clients and bond counsel in accounting and reporting for new and refunding debt issues.  She also provides advisory services to our governmental clients on budgeting, accounting, reporting for complex or unusual transactions, and Federal program compliance issues. Rita is a member of the American Institute of Certified Public Accountants (AICPA) and the Missouri Society of Certified Public Accountants (MOCPA).  She is a native of Ray County and enjoys gym time, horseback riding and traveling.

Email: rac@westbrookcpa.com


Brian Eckhoff

Graduated from the Central Missouri State University in 2007 with a Bachelor of Science Degree in Accounting.  He served as the treasurer of the Central Missouri State University Accounting Students Association.  Prior to his graduation, he began his employment with Westbrook & Co., P.C. in 2007.  He then received a Masters of Accountancy degree from the same university in 2008 and has successfully completed the CPA examination.  He is currently a partner/owner of Westbrook & Co., P.C. and is a member of the American Institute of Certified Public Accountants (AICPA) and the Missouri Society of Certified Public Accountants (MOCPA).He is active in community programs including the Business Education Advisory Committee and the Higginsville Parks and Recreation Ball Association. Brian and his wife, Teri, reside in Higginsville with their daughter and son. They are active members of the Higginsville Country Club where he enjoys playing golf.

Email: ble@westbrookcpa.com


Admin of the Firm


Ellen Vandiver

Is a life-long resident of Richmond, Missouri. She joined Westbrook & Co., P.C. shortly after graduating from the University of Missouri in Kansas City with a Bachelor of Business Administration degree in 1995. As the Firm Administrator she oversees the daily running of the office, staff management, project tracking, scheduling, and most other duties not related to accounting. She stepped away from the Firm for 5 years when her children were small but has returned in the same capacity and plans to stay until she retires. She loves to golf, riding on the back of her husband’s motorcycle, and spending time with her children. Ellen is also an advocate and fundraiser for the Cystic Fibrosis Foundation in honor of her daughter, Mackenna.

Email: edv@westbrookcpa.com


Tomi Stoner

Began her career with Westbrook & Co., P.C. in 2014 as an administrative assistant. She has since taken on the role of the technology liaison. She resides in Norborne, MO where she graduated in 2003. She attended Wentworth Community College and National American University. Tomi is a member of the local volunteer fire department and active in the school district. In her spare time she enjoys attending her kid’s sporting events, being outdoors, and riding the motorcycle with her husband.

Email: tns@westbrookcpa.com


Jennifer Stawinski

Joined Westbrook & Co., P.C. in 2017 as an administrative assistant. She is a native of Lexington, MO where she graduated in 1998. In her free time she enjoys spending time with her husband and 4 daughters.

Email: jls@westbrookcpa.com


Lexi Seek

Joined Westbrook &Co., P.C. in late 2016 as administrative assistant. She is originally from Richmond, MO until moving to Norborne where she graduated in 2010.Lexi currently resides in Carrollton, MO. In her spare time she enjoys running her kids to sporting events, going to the lake with friends,and helping her husband build demolition derby cars.

Email: lps@westbrookcpa.com


Other Members of the Firm


Jonelle Hall

Grew up in Richmond and graduated from Richmond High School in 1993.  She then went to Central Methodist University and graduated in 1997 with a Bachelor of Science Degree in Accounting.  She began her employment with Westbrook & Co., P.C. following graduation.  Jonelle is currently a senior auditor and has Missouri school audit experience with extensive knowledge in attendance, transportation, and Single audit.  She is also proficient in accounting and reporting for GAAP and OCBOA basis government financial statements.  Jonelle and her husband, Eric, reside in Oak Grove with their two boys, Evan and Jordan.  They are active members in the youth little league football, wrestling, and baseball programs. Jonelle is the current treasurer of the Oak Grove Athletic Booster Club.
Email: jlh@westbrookcpa.com


Steven Livingston

Has been with Westbrook & Co., P.C. since January 2013. He is the firm’s QuickBooks expert and is a QuickBooks ProAdvisor. His corporate tax, bookkeeping, and payroll tax experience includes a broad range of private, non-profit, and governmental entities. Steven has extensive experience with charter school bookkeeping, payroll, and preparation of financial statements. He is a member of the Richmond community and serves as a member of the local church of Christ. He enjoys hands-on projects in his down time and enjoys spending time with his wife and daughter.

Email: sjl@westbrookcpa.com


Larry Beecher

Graduated from Washington State University with a Bachelor of Arts Degree in Accounting. Prior to joining Westbrook & Co., P.C., he had an extensive career in public, private, and governmental accounting. He started his career with an international accounting firm where he held positions of audit manager and tax manager. He has filed tax returns in nearly every state and local taxing jurisdiction in the United States. For several years, he was an oversight manager with the Resolution Trust Corporation, the federal agency tasked with resolving the savings and loan crisis. Following the completion of the Resolution Trust Corporation’s mission, Larry became the controller of a manufacturing company and its affiliates. He is active in his church and a veteran of the United States Army.

Email: llb@westbrookcpa.com


Kelly R. Barber

Received her Associate in Arts – Business in 2007 from Metropolitan Community College and graduated from the University of Central Missouri in 2009 with a Bachelor of Science Degree in Accounting. After graduation, she began her employment with Westbrook & Co., P.C. and is currently a senior auditor with the firm. Since 2009 she has had governmental and non-profit audit experience specializing in cash, debt, payroll, disbursements, and various federal programs and coordinates the preliminary audit process with the districts and charter schools. Kelly’s experience also includes work in write-up services, such as processing of payroll, financial statement compilations, and tax return preparation. She is native of Independence, Missouri and is a past mentor for Big Brothers Big Sisters of Greater Kansas City, serving from October 2013 through March 2015.

Email: krb@westbrookcpa.com


Bryce Harrison

Graduated from the University of Central Missouri in May 2016. Shortly thereafter he started working at Westbrook & Co., P.C.He is an auditor focusing on attendance and transportation and a corporate tax return preparer. Bryce is a native of Lexington, Missouri and has been very involved in the community and school. He enjoys working out, traveling, and spending time with friends and family in his free time. He is an active member of the Elks Lodge of Lexington, Missouri.

Email: bah@westbrookcpa.com


Mandy Kaullen

Graduated from the University of Kansas with a Bachelor of Science in Accounting in 2006 and completed the CPA examination in October 2009. She is a Kansas native and moved to Lexington, Missouri in 2010, starting her career with Westbrook & Co., P.C. shortly thereafter. Mandy is a senior auditor within the firm and is also involved with corporate and individual tax preparation. Mandy is a member of the American Institute of Certified Public Accountants and the Missouri Society of Certified Public Accountants. In her spare time, she enjoys traveling and spending time outside with her family.

Email: mrk@westbrookcpa.com


Kim Ritchhart

Graduated from the University of Missouri – Columbia in 1993 with a Bachelor of Science Degree in Accounting. In 1996 she returned to Carrollton, MO and opened her own accounting office, Kim Ritchhart, CPA, PC. The practice specialized in farm and small business income taxes. Her practice was merged with Westbrook & Co., P.C. in November 2013. Kim served on the Carrollton R-VII school board for six years and was highly involved with the design, successful bond issue and construction of the new Carrollton Elementary school. She served as Board of Education President and Vice-President. She served as Treasurer of the Carrollton R-VII School District Foundation. She currently serves on the boards of the Carroll County YMCA and Community 2000. She is an active member of her church and assists with youth ministries.

Email: kar@westbrookcpa.com


Kim Schlatter

Graduated from Park University in 2009 with a Bachelor of Science Degree in Accounting. She began her employment with Westbrook & Co., P.C. in 2013. Before that, she worked for over 17 years in Kansas, Nebraska, and Missouri.  Kim works with payroll and corporate income tax. Her audit experience includes disbursements and payroll for schools and city governments.  Kim is a Boy Scout leader for Troop 415 in Higginsville. Her family has been involved with Cub Scouts and Boy Scouts since 1999. Currently, she is the Advancement Chairman and a merit badge counselor for the troop and has participated in numerous campouts and community service activities. She is a member of the Tribe of Mic-O-Say.

Email:  kds@westbrookcpa.com


Jacob Hunter

Graduated from Central Methodist University in July of 2016 with a Bachelor in Science Degree in Accounting. He began his employment with Westbrook & Co., P.C. in December of 2016. He is currently a staff accountant with an emphasis on payroll processing and financial statement compilations. Jacob is a Sedalia native but he and his family currently reside in Independence, Missouri. Aside from his career, he enjoys working out and maintaining a healthy lifestyle, traveling, camping, hunting, and fishing.

Email: jsh@westbrookcpa.com


Amber Rodriquez

Graduated from Minot State University in 2009.  She began her employment with Westbrook & Co., P.C. in September 2012.  Amber works with payroll, charter school accounting, and corporate and partnership income tax.

Email: amr@westbrookcpa.com


Katie Wekenborg

Is a staff accountant, who specializes in payroll preparation, corporate tax return preparation and corporate accounting. In 2012 she graduated the valedictorian of her class at Metro College in Jefferson City, MO. She joined Westbrook & Co., P.C. in January of 2016. Katie grew up in Taos, Missouri and moved to Rayville in 2015. She enjoys being outdoors, especially fishing and Sunday barbecue’s with the family.

Email: kew@westbrookcpa.com


Dalla McMullen

Graduated summa cum laude from Park University in 2012 with a Bachelor of Science in Management/Accounting.  She began her employment with Westbrook & Co., P.C. in October 2008.  Dalla prepares payroll, charter school accounting, and corporate and partnership income tax. She is married with two grown children.  Her family is actively involved in their church.  She also assists her husband with his farming corporation in which she is the secretary/treasurer.

Email: dlm@westbrookcpa.com


Lea Ann O’Brien

Graduated from Central Missouri State University in 1984 with a degree of a Bachelor of Science in Accountancy.  She is currently a manager with Westbrook & Co., P.C. and has extensive experience in compilation, payroll and sales tax services and also trust and estate work.  Lea Ann is a Certified Public Accountant and is a member of the American Institute of Certified Public Accountants (AICPA) and the Missouri Society of Certified Public Accountants (MOCPA).  She resides in Lexington and enjoys gardening and spending time with her three children and grandchildren.

Email: lao@westbrookcpa.com


Shannon Cox

Is a life-long resident of Richmond. She has been with Westbrook & Co., P.C. since 1998. Shannon assists with the preparation of individual income tax returns and forms 1099 as well as some administrative duties. When not at work she enjoys traveling, reading, and spending time with family and grandchildren.

Email: smc@westbrookcpa.com


Kortney Wilson

Graduated from the University of Central Missouri in May 2016. She is currently work as a staff accountant at the Carrollton location. Kortney is a native of Carrollton, Missouri. In her free time she enjoys being outdoors and spending time with family and friends.

Email: kaw@westbrookcpa.com


Austin Hill

Grew up in Lee’s Summit, MO and currently lives in Blue Springs. Austin attended Longview Community College where he became a Team Captain for the Longview Baseball Team and graduated with an Associates in Arts Degree. From there, Austin transferred to Rockhurst University where he also played baseball and graduated with a Bachelor of Science in Business Administration Degree with a concentration in accounting. Outside of work he enjoys watching and playing baseball, cooking out with friends and family, and playing with his dogs.

Email: abh@westbrookcpa.com


 
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