A full service accounting firm serving Northeast Ohio since 1985

Contact Us

Main Office

Main Office

  • 7251 Engle Road
  • Ste 406
  • Middleburg Heights, OH 44130
  • Main Number: 440.243.3400
  • Fax: 440.243.8003
  • Loading Email...
Enter your Address:

Michael D. McManus, CPA

Managing Partner
  • Phone: 440.243.3400 ext. 12
  • Loading Email...

Michael D. McManus is a 1978 graduate of Cleveland State University and has been a practicing CPA for over 40 years. He is a founder and the Managing Partner of McManus, Dosen & Co. Prior to establishing McManus, Dosen & Co. in 1985 Mr. McManus spent five years with the international accounting firm of Deloitte, Haskins & Sells (currently Deloitte & Touche) and two years as Director of Internal Audit for a large financial services corporation.

Mr. McManus has a broad range of professional experience providing audit, accounting, tax, control exams, business valuations, and advisory services to closely-held businesses, nonprofit organizations, governmental agencies, school districts, service organizations, trusts, and individuals. He has served clients in a variety of industries including: manufacturing, retail, real estate development and management, professional services, education, information technology consulting, construction, entertainment, community services, religious, and healthcare. Mr. McManus has provided a multitude of advisory services to the Firm’s clients over the years including: business valuations, contract negotiations, financial projections, tax planning, due diligence reviews, personal financial planning, and forensic accounting services in connection with fraud investigations. He has worked closely with both buyers and sellers in connection with business mergers and acquisitions. He has also assisted business owners with obtaining financing or venture capital. Mr. McManus leads the Firm's quality assurance program and, as Managing Partner, is responsible for all administrative aspects of the Firm and the quality of all reports issued.

Mr. McManus is licensed by the Accountancy Board of Ohio and is a member of the American Institute of Certified Public Accountants, the Ohio Society of Certified Public Accountants, and The Executive Committee. Each of these organizations has continuing education requirements that ensure their members maintain appropriate knowledge to perform professional services. Mr. McManus has been qualified by the AICPA to perform peer reviews of other CPA firms to ensure that their work and systems of quality control meet the standards of the profession. He is also qualified to conduct government audits under the Uniform Guidance standards and the U.S. Department of HUD.

During the course of his career Mr. McManus has instructed seminars, taught college level classes, been the subject of media interviews, and published articles on a variety of topics in the field of accounting and taxation. He is considered to be one of Ohio's leading experts on accounting and control issues for nonprofit organizations.

Mike is a frequent speaker at the high school and college levels on careers in accounting and to business groups on a host of financial topics. He and his wife, Suzanne, live in Strongsville where they raised their two sons. Mike enjoys sports (both as a participant and a spectator), is a history buff, and is active in community organizations.

Michael Dosen, CPA

Partner
  • Phone: 440.243.3400 ext. 11
  • Loading Email...

Michael Dosen is a 1982 graduate of Cleveland State University and has been a practicing CPA since 1985. He is a partner of the Firm. Prior to the formation of the Firm in 1985, Mr. Dosen spent two years with a Cleveland area accounting firm.

Mr. Dosen has a broad range of professional experience providing accounting, tax, and business advisory services to closely held businesses and individuals. He has served clients in various industries including manufacturing, retail, real estate development and management, professional services, information technology consulting, construction, and healthcare services. Mr. Dosen has provided advisory services including negotiations, valuations, financial projections, and tax planning in connection with mergers and acquisitions on behalf of clients on both the buying side and selling side.

Mr. Dosen is licensed by the Accountancy Board of Ohio and is a member of the American Institute of Certified Public Accountants and the Ohio Society of Certified Public Accountants. Each of these organizations has continuing education requirements that ensure their members maintain appropriate knowledge to perform professional services.

Mike is an avid golfer and is active in both civic and religious organizations.

Ruth Schwachenwald

Office Manager
  • Phone: 440.243.3400 ext. 24
  • Loading Email...

Ruth Schwachenwald has been the Firm's Office Manager since 2000. She has over 30 years of administrative management experience. She and her staff are responsible for all of the day-to-day administrative activities of the Firm. In addition, she coordinates the assembly and issuance of all financial statements and tax returns prepared by the Firm, serves as the Firm's network administrator, events coordinator, manager of billings and collections, and assists the Managing Partner with certain aspects of the Firm's management and productivity analysis.

Ruth enjoys spending time with family and friends and is a lifelong Cleveland sports fan.

 

Yvette Wypasek

Administrative Assistant
  • Phone: 440.243.3400 ext. 10
  • Loading Email...

Yvette Wypasek joined McManus, Dosen & Co. in January 2011 as an Adminstrative Assistant. She has over ten years of office support experience and almost 30 years of customer service skills spanning the professional, educational, and retail industries. Her responsibilites with the Firm include the final assembly of financial statements and tax returns, general secretarial work, and assistance to staff and clients.

Yvette and her husband Jason live in Parma and are active members at St. Charles Borromeo Parish. They keep busy with various fundraising events and are the proud parents of three and grandparents of three.

Richard G. Dacko, CPA

  • Phone: 440.243.3400 ext. 22
  • Loading Email...

Rick Dacko has been a staff accountant with the Firm since 1999. Mr. Dacko received his Business Administration Degree with a major in Accounting from Baldwin Wallace College.

Mr. Dacko has a broad range of professional experience providing accounting, tax, and audit services to closely held businesses, nonprofit organizations, and individuals. He has served clients in various industries including manufacturing, retail, distribution, professional services, transportation, real estate, construction, and healthcare services.

Mr. Dacko is licensed by the Accountancy Board of Ohio and is a member of the American Institute of Certified Public Accountants and the Ohio Society of Certified Public Accountants.

Mary Jo Diekman, CPA

  • Phone: 440.243.3400 ext. 30
  • Loading Email...

Mary Jo Diekman, CPA, rejoined McManus, Dosen & Co. in May 2021 after having originally joined the firm in 2004.  Mary Jo has a broad range of professional experience including extensive experience in both public accounting and industry financial management.

Mary Jo started her career as an auditor with the international accounting firm EY and since then has held management and executive roles in the insurance and education sectors with responsibility for all aspects of financial management, including finance and accounting, internal and external reporting, long-range and capital planning, budgeting, business affairs, and cash management.

She has public accounting experience, including several years with McManus, Dosen & Co., focused on providing clients with assurance, tax, and advisory services. Her new role at the firm includes that of Audit Leader with responsibility for keeping staff members apprised of the latest professional attestation developments. She is a licensed CPA by the Accountancy Board of Ohio and maintains that license through an ongoing education program that includes meeting the governmental auditing requirements.

Mary Jo graduated from Bowling Green State University with a BSBA in Accounting.  She enjoys bicycling and spending time outdoors, and is a dedicated Cleveland sports fan.

April M. Herner, CPA

  • Phone: 440.243.3400 ext. 26
  • Loading Email...

April Herner joined McManus, Dosen & Co. in July of 2013. Prior to that, she spent 8 years with a regional CPA firm and 4 years in private industry. She graduated from Bowling Green State University in 2000 with a Bachelor's degree in Business Administration with a major focus in Accounting and a minor focus in Healthcare Administration.

April has private industry experience working as a senior accountant, internal auditor, and budget analyst in the healthcare and distribution industries. She has run numerous audits of nonprofit organizations and government-run hospitals. She is one of the Firm's SOC engagment specialists and coordinates over 50 annual school district cost report exams for the Ohio Department of Education. April has also served as a consultant for long-term care facilities, continuing care retirement communities, and home health agencies. She is a licensed CPA by the Accountancy Board of Ohio and maintains that license through an ongoing education program that includes meeting the governmental Yellow Book requirements.

April enjoys camping, coaching youth soccer, and spending time with family. She resides in Wakeman with her husband and three children.

Jamie F. Kotris, CPA

  • Phone: 440.243.3400
  • Loading Email...

Jamie is a 1979 graduate of Cleveland State University and has been working with McManus, Dosen & Co. since 1987. His professional experience inlcudes: audits, reviews, and compilations of financial statements; accounting and control system design; personnel and financial planning; tax return preparation and planning; and business combination consultative services. His industry experience is broad and includes: construction, manufacturing, leasing, non-profit organiztions, and employee benefit plans.

Jamie is a member of the AICPA, OSCPA, and the Association of Certified Fraud Examiners. He is the Committee Chairperson of the local Elyria Boy Scout troup, a long-time Cleveland sports fan, and has had extensive involvement in other community and non-profit organizations.

Sarah Kushen

  • Phone: 440.243.3400 ext. 18
  • Loading Email...

Sarah E. Kushen joined McManus, Dosen & Co. in 2021 after graduating from Lorain Community College where she received her degree in accounting. Prior to joining McManus, Dosen & Co. she spent a year with another large CPA firm and three years in corporate accounting.


She is experienced in providing accounting, payroll, tax services, and financial analysis to both businesses and individuals and has been certified by QuickBooks as being proficient in the use of their accounting software.


Sarah is detail-oriented and driven professionally who enjoys helping others and is currently pursuing her CPA accreditation.

Michelle McManus

  • Phone: 440.243.3400
  • Loading Email...

Michelle McManus joined McManus, Dosen & Co. in December of 2013. Michelle is a 2008 graduate of the University of Akron where she received her Bachelor of Science degree in Accounting. Michelle worked for a regional public accounting firm in Akron, Ohio and then as a private industry accountant for a local law firm. Her responsibilities with the Firm include monthly, quarterly, and annual accounting and tax work for closely held businesses in a variety of industries.

Michelle and her husband, Bryan, live in Brooklyn Heights with their two young children. They enjoy spending time outdoors and with their families.

Scott E. Mandau, CPA, CISA

  • Phone: 440.243.3400 ext. 14
  • Loading Email...

Scott E. Mandau, CPA joined McManus, Dosen & Co. in July of 2012. He received his Bachelor of Business Administration degree with a major in accounting from Kent State University in 2010 and obtained his Certified Public Accountant license in 2012.

Scott is actively involved in all phases of the Firm's practice. He serves as the lead team member on audit and SOC engagements, prepares numerous corporate and individual income tax returns, and has been instrumental in the consolidation of the Firm's multiple-entity clients.  Scott is also an experienced IT auditor.

Prior to joining McManus, Dosen & Co., Scott designed a paperless job costing and quoting system for a local manufacturing company and assisted with the development of an internal control structure for the Stark County Health Board.

Scott enjoys playing competitive sports, serves as a volunteer at his church, and is an avid musician.

Renee Moenich

  • Phone: 440.243.3400 ext. 16
  • Loading Email...

Renee M. Moenich joined McManus, Dosen & Co. in 2002. She received her Bachelor of Accounting/Finance degree from Walsh University in 1987. Renee’s experience includes 22 years in public accounting along with 3 years in industry and 3 years at a non-profit agency.

Renee services clients across the Firm’s spectrum from the audit level to those that bring in data in a “shoe box”. She has a high level of practical experience working with small businesses assisting them in reconciling their accounts, closing their books, and preparing clear financial reports. Renee also prepares corporate and individual tax returns along with payroll reports. Her industry experience encompasses a whole host of industries along with not-for-profit organizations.

She has received special training on QuickBooks accounting software and is certified by QuickBooks as a ProAdvisor.

Barbara M. Popelmayer, CPA

  • Phone: 440.243.3400 ext. 28
  • Loading Email...

Barbara is a 1996 graduate of The University of Akron with a degree in Business Administration and a major in Accounting. After passing the CPA exam in 1997, she began her career in public accounting. Her work experience prior to receiving her degree includes 10 years working in the accounting department for a Medina County manufacturer.

Prior to joining McManus, Dosen & Co. in 2007 Barbara worked for a local CPA firm for 9 years where she learned to develop close relationships with her clients by looking out for their best interests. Her duties with McManus, Dosen & Co. include performing audits, reviews, and compilations; preparing both business and personal tax returns; and being accessible to provide accounting services and advice at various levels for a diverse range of clients. She has also received specialized training on the accounting, auditing, and financnial reporting requirements of HUD subsidized rental projects. Additionally, Barbara is the Firm's specialist in the taxation of trusts, gifts, and estates of all sizes.

Barbara is licensed by the Accountancy Board of Ohio and is a member of both the Ohio Society of Certified Public Accountants and the American Institute of Certified Public Accountants. She maintains her level of expertise by fulfilling the requirements of continuing education and keeping current with accounting journal articles.

Brittany A. Steinman, CPA, MBA

  • Phone: 440.243.3400 ext. 13
  • Loading Email...

Brittany A. Steinman, CPA, MBA is a graduate of Cleveland State University where she received both her Bachelors and Masters degrees. Prior to joining McManus, Dosen & Co. she spent four years in industry as a Receivables Manager and as a corporate Controller for a closely held business. This corporate experience enables her to add immediate value to the clients of McManus, Dosen & Co for whom the Firm performs monthly, quarterly, or annual closing and compilation services along with tax planning and preparation. Her experience as the auditee will enable her to bring practicality and compassion to the Firm’s audit clients where she serves as part of the audit team.

She obtained her CPA license in July 2020 and is a member of the Ohio Society of Certified Public Accountants and the American Institute of Certified Public Accountants.

Brittany enjoys traveling around the world and seeing shows in downtown Cleveland at Playhouse Square.

Tom Wangler

  • Phone: 440.243.3400 ext. 23
  • Loading Email...

Tom Wangler joined McManus, Dosen & Co. in June of 2019 after having spent a year with another CPA firm. He is a graduate of West Liberty University where he played football and received his Bachelors degree with a major in Accounting.

Tom and his fiancé live in in Wadsworth.  He enjoys playing competitive sports, camping, and working out.   Tom is also is an avid Cleveland sports fan.

Nick Weeks

  • Phone: 440.243.3400 ext. 19
  • Loading Email...

Nick began his career at McManus, Dosen & Co. in 2013. He is a graduate of Ohio Northern University where he received his Bachelor of Business Administration with a major in Accounting. 

Nick is actively involved in all areas of the Firm's practice. He serves as a team member on many of the audits performed by McManus, Dosen & Co., assists many of the Firm's business clients with the closing of their books, and prepares tax returns of all types.

Nick is an avid golfer and lives with his wife, Tricia, in Amherst.

Terry S. Yee, CPA

  • Phone: 440.243.3400
  • Loading Email...

Terry S. Yee, CPA joined McManus, Dosen & Co. in February of 2014.  Prior to that Terry spent five years with another CPA firm and seven years in corporate accounting as a manager and financial analyst. This combination of experience enables Terry to bring a unique and beneficial perspective to all client assignments.

Terry serves as the lead auditor on many of the audits performed by McManus, Dosen & Co. and has developed an expertise in the audit of employee benefit plans. 

Terry enjoys spending time with his wife and four children.

David Gordon, MBA, CISA, CIA, CFE

  • Loading Email...

Dave Gordon has over twenty years experience in the information security and technical audit profession. His experience covers many aspects within the information technology audit field and ranges from general control reviews up to hands-on attack and penetration (ethical hacking) reviews. Extended expertise includes system conversions, mainframe audits, network audits, and ERP audits. Dave also has experience teaching and utilizing Audit Command Language (ACL) and leading change control and business continuity planning/disaster recovery testing processes. Additionally, Dave has lead speaking engagements regarding securing the Windows operating system environment, auditing system conversion, mainframe security, and using ACL.

Dave holds professional certifications as a Certified Information Systems Auditor (CISA), Certified Internal Auditor (CIA) as well as a Certified Fraud Examiner (CFE). He holds degrees in Accounting and Master of Business Administration (MBA) from the University of Akron, and was previously the President of the Cleveland chapter of the Institute of Internal Auditors (IIA) and also served as President of the Cleveland chapter of the Information Systems Audit and Control Association (ISACA).

Dave volunteers his time as Vice President and one of the assistant coaches for Wadsworth Youth Football and also serves as a coach for the Wadsworth Lacrosse Club. Dave enjoys golf, football, and basketball. He and his wife, Amanda, live in Wadsworth with their two children.