meet the team

Driven by Dedication

CLH, CPAs & Consultants

Trusted Advisors. Personalized Service.

Serving clients nationwide from offices across Northern Indiana.

CLH considers its team our greatest asset. Comprised of talented and passionate individuals, we work collaboratively to achieve our mission. Each member brings unique skills and perspectives, contributing to our collective success. We believe in fostering a positive and inclusive work environment where everyone can thrive and reach their full potential.

Partners Accounting Professionals Firm Operations

Partners

ROBERT W. LANGE III, CPA

Partner

ROBERT W. LANGE III, CPA

Partner

Ext. 3484

rlange@clh.cpa

Known to all as “Bob,” CLH’s managing partner is constantly on the go, meeting with clients around the nation and making himself available in all of CLH’s offices.

Bob balances myriad responsibilities, including conducting client engagements and overseeing firm operations. He has extensive experience in delivering innovative solutions for the transportation and logistics, construction, and professional service industries.

View full bio Download contact info

TONY P. GILLISSE, CPA

Partner

TONY P. GILLISSE, CPA

Partner

Ext. 3489

tgillisse@clh.cpa

With over 20 years’ experience, Tony Gillisse joined the CLH team as a manager in December 2011 and became a partner in 2016. Focused and attentive to his clients, Tony is known for his conscientiousness. In his role, Tony provides leadership in financial reporting engagements, including compilations, reviews, and audits.

Tony also directs an array of other client engagements, including financial analysis, forecasting, and assisting business owners and individuals with a wide range of planning opportunities.

View full bio Download contact info

GRETCHEN A. KALK-CASTRO, CPA

Partner

GRETCHEN A. KALK-CASTRO, CPA

Partner

Ext. 3477

gkalk@clh.cpa

Known for her lively personality and down-to-earth approach, Gretchen Kalk-Castro has more than 25 years' experience achieving results for clients with complex accounting needs. Gretchen is one of many at CLH who initially joined the firm through an internship. She served in a range of roles and positions before becoming a partner of the firm in 2023.

Primarily focusing on financial statement engagements, Gretchen seeks to ensure business owners receive thorough and reliable insights into their financial health to make informed decisions.

View full bio Download contact info

KYLEE J. FRAZE NORMAN, CPA

Partner

KYLEE J. FRAZE NORMAN, CPA

Partner

Ext. 3493

knorman@clh.cpa

Having joined CLH initially as a senior staff accountant in 2015, Kylee Fraze Norman advanced into the position of director, then became a partner in the firm in 2023. Her spirited personality translates into a client-centric approach, in which she builds rapport and engages clients in problem solving.

As the firm’s tax department head, Kylee also thrives on the challenge of deciphering ever-changing tax codes and coordinates staff development and training in taxation and upholding quality control standards.

View full bio Download contact info

ANGELA G. GROTHAUS, CPA, CVA

Partner

ANGELA G. GROTHAUS, CPA, CVA

Partner

Ext. 3496

agrothaus@clh.cpa

Having joined CLH, CPAs & Consultants as a senior staff accountant in 2014, Angela Grothaus now serves as a partner and the business valuation department head. Her precise, detailed approach and friendly personality have contributed to the successful development of relationships with both her clients as well as other professionals in the Northwest Indiana business community.

Angela focuses on conducting business valuations for estate, gifting, and litigation matters, managing tax engagements, and business consulting.

View full bio Download contact info

LISA N. HUMAN, CPA

Partner

LISA N. HUMAN, CPA

Partner

Ext. 3494

lhuman@clh.cpa

With a decade of experience in a wide array of private-sector accounting roles, Lisa joined CLH as a staff accountant in 2014. Lisa has advanced in the firm and now serves as a partner. In her role, she leads the firm’s Client Accounting Solutions team and the company’s learning & staff development initiatives, including planning, directing, and coordinating staff training and development.

Lisa also applies her passion for continuing education and professional growth to client engagements by helping business owners to develop best practices, advising on organizational decisions, and assisting with the development of policies and internal controls.

View full bio Download contact info

Accounting Professionals

LYNN A. DUTTLINGER, CPA

Senior Director

LYNN A. DUTTLINGER, CPA

Senior Director

Ext. 3490

lduttlinger@clh.cpa

With over 40 years’ experience in public accounting, Lynn Duttlinger has extensive knowledge in the areas of taxation and long-term planning. Having joined CLH in 2003, she serves as a senior director, and clients benefit from Lynn’s proactive approach, where tax planning isn't a reactive measure, but a dynamic strategy.

Lynn manages a wide range of client engagements and has a passion for helping local owners grow their businesses through tax planning, research, and education.

View full bio Download contact info

GARY D. BUSHUE, CPA

Senior Client Advisor

GARY D. BUSHUE, CPA

Senior Client Advisor

Ext. 3478

gbushue@clh.cpa

Gary Bushue joined the ranks of CLH in 2024 as a Senior Client Advisor, bringing nearly four decades of public accounting expertise to the firm. Throughout his career, spanning international, national, and local accounting firms across the Chicago area and Northwest Indiana, Gary developed a deep understanding of advanced taxation.

A seasoned professional, Gary focuses on providing high-level tax and consulting services, assisting clients with complex financial planning and taxation matters. With a background in analyzing financial data and providing insights, he looks for opportunities to support business growth.

View full bio Download contact info

ALLISON M. LEFFERT, CPA

Senior Manager

ALLISON M. LEFFERT, CPA

Senior Manager

Ext. 3498

aleffert@clh.cpa

Having joined the firm initially as an intern in 2014 and again in 2015, CLH welcomed Allison to a full-time position in 2016. Allison advanced in her career to become a senior manager and in her role primarily focuses on financial statement reporting. She also oversees foundational services such as payroll reporting and bookkeeping and offers valuable consulting to clients to help businesses build a strong future.

Her cheerful personality contributes to her successful development of relationships with clients, and she dedicates herself to providing exceptional client service and building effective partnerships through collaboration.

View full bio Download contact info

JEFFREY T. WHITTLER

Senior Manager

JEFFREY T. WHITTLER

Senior Manager

Ext. 3495

jwhittler@clh.cpa

With CLH since 2006, Jeffrey Whittler grew from initial position as a staff accountant to become a senior manager. Jeff’s career includes extensive focus in the areas of business and personal tax preparation, financial statement preparation, and business consulting services. He also has widespread experience with personal property tax and fixed assets management.

Jeff enjoys working with small business owners to streamline their processes and maximize efficiencies and find creative solutions to unique challenges.

View full bio Download contact info

SETH E. BEDWELL

Manager

SETH E. BEDWELL

Manager

Ext. 3458

sbedwell@clh.cpa

Seth Bedwell’s entire career has been in public accounting. He joined CLH first as an intern in 2019 while a sophomore in college, then accepted an offer after graduation to become a full-time staff accountant. Since then, Seth has advanced to become a manager who is dedicated to expanding his knowledge base and technical skills.

Seth has gained career experience in many areas, including financial reporting and tax preparation and planning, and is also committed to training newer staff at the firm.

View full bio Download contact info

ALEXIA PEREZ

Manager

ALEXIA PEREZ

Manager

Ext. 3497

aperez@clh.cpa

In 2017, Alexia Perez became an accounting intern at CLH while enrolled at Purdue University. After graduating, she was welcomed to the professional team as a staff accountant in 2018. Since then, Alexia has advanced into the role of manager and has become focused on income tax and state and local use taxation.

Alexia is excited to shape the future of the accounting industry by supporting and developing the next generation of CPAs and has taken on additional responsibilities in staff training and business development.

View full bio Download contact info

EDWARD R. SIMOKAITIS, CPA

Manager

EDWARD R. SIMOKAITIS, CPA

Manager

Ext. 3465

esimokaitis@clh.cpa

Edward Simokaitis came to CLH in 2017 with a strong background in accounting, finance, and capital markets. Ed is passionate about building and fostering relationships with clients and the local business community. His client engagements span from tax preparation and planning to trust and estate tax return preparation to business consulting, as well as consulting on investment-related items.

In line with Ed’s thirst for expanding knowledge and continuous learning, he enjoys teaching and mentoring and looks for opportunities to invest in the careers of the newer staff at the firm.

View full bio Download contact info

KAYLA D. KRANC

Senior Accountant

KAYLA D. KRANC

Senior Accountant

Ext. 3472

kkranc@clh.cpa

Kayla Kranc joined the CLH team as a staff accountant in 2024, bringing with her a blend of both public accounting and R&D credit experience. In her role as a senior accountant, Kayla provides a wide range of general accounting assistance for clients, including preparing tax returns, maintaining client accounting records, and assisting with the closing of financial periods.

With a natural aptitude for analysis and attention to detail, Kayla aims to maintain accurate records and ensure compliance with accounting standards.

View full bio Download contact info

ADAM R. LANGE, CVA

Senior Accountant

ADAM R. LANGE, CVA

Senior Accountant

Ext. 3459

alange@clh.cpa

After pursuing professional experience in the transportation industry, sales, and logistics, Adam Lange decided to go into public accounting and joined CLH in 2022 as a staff accountant and became a senior accountant in 2026. In his role, Adam provides clients with a wide range of accounting services, including tax preparation, tax planning, payroll reporting, and bookkeeping.

In addition to these areas, Adam became a Certified Valuation Analyst and assists with the preparation of business valuations.

View full bio Download contact info

RYIN J. OTT

Senior Accountant

RYIN J. OTT

Senior Accountant

Ext. 8317

rott@clh.cpa

Ryin Ott joined the CLH team as a staff accountant in 2024, bringing with her a blend of early professional experience and a strong commitment to teamwork. Her career in accounting began in high school and continued through college, where she served as a part-time financial data clerk for multiple county offices.

In her role as a senior accountant, she provides general accounting services to clients, including tax preparation, tax planning, bookkeeping, and payroll.

View full bio Download contact info

JORDAN R. SHEETS

Senior Accountant

JORDAN SHEETS

Senior Accountant

Ext. 3479

jsheets@clh.cpa

As a college student, Jordan Sheets joined CLH as an intern in 2022, eager to apply her academic knowledge and gain practical experience. After graduation, Jordan accepted a full-time position as a staff accountant with CLH. She became a senior accountant in 2026. With a naturally inquisitive mind, Jordan gained experience by assisting with complex client accounts.

In her role, she provides general accounting services to clients, including tax preparation, tax planning, bookkeeping, and payroll support.

View full bio Download contact info

WYATT M. STACY

Senior Accountant

WYATT M. STACY

Senior Accountant

Ext. 3482

wstacy@clh.cpa

Before joining CLH in 2022 as a staff accountant, Wyatt Stacy completed an internship and gained some professional experience at another business. Wyatt now serves as a senior accountant in the firm. As one who digs deep into topics to discover how something functions, Wyatt found accounting to be a good fit because every number tells a story and every transaction should add up.

In his role, Wyatt provides clients with a wide range of accounting services, including tax preparation, tax planning, bookkeeping services, and payroll support.

View full bio Download contact info