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About Us

About Our Firm

For years, Sines Blakeslee Madyda has been providing quality, personalized financial guidance to individuals and businesses. Our expertise ranges from basic tax management and accounting services to more in-depth services such as audits, financial statements, and financial planning.

Sines Blakeslee Madyda is one of the leading firms in and throughout the area. By combining our expertise, experience and the team mentality of our staff, we assure that every client receives the close analysis and attention they deserve. Our dedication to high standards, hiring of seasoned tax professionals, and work ethic is the reason our client base returns year after year.

Our Mission

Our mission is to provide excellent innovative accounting services that enhance the businesses of our varied clients. Utilizing honesty, integrity and professionalism in crafting solutions allowing clients to focus on their business. To ensure our partnership with every client provides value to the relationship.

Sines Blakeslee Madyda is dedicated to meeting these goals with high standards of excellence and professionalism. We have been a staple of the area's business community since 1974, and pride ourselves on the level of esteem we have earned.

Our dedication to hard work has earned the respect of the business and financial community in and around the area. We believe this to be a direct derivative of our talent and responsiveness to our client base. Whether you are a current or prospective client, rest assured that individuals and businesses who choose Sines Blakeslee Madyda receive competent and timely advice.

Our Accounting Team

Derek Blakeslee, CPA 407-395-2989

Derek Blakeslee has been with the firm since 1988 after eight years in the tax group of an international accounting firm. He graduated from the University of Florida and is active in the business community, having served as President of the West Orange Chamber of Commerce, chairperson of the West Orange Healthcare District and chairman of WMFE. He has also served on several governmental advisory boards including the Martinez Transportation Commission, Winter Garden Redistricting Board and Winter Garden Charter Review Board. He is currently serving as chairman of the Winter Garden Community Redevelopment Agency Advisory Board, chairman of The Bond Foundation, Inc and as treasurer of the Oakland Presbyterian Church.

Ronald N. Madyda, CPA 407-395-2990

Ron Madyda has over 30 years of experience as a certified public accountant. Prior to joining the firm in 2006, he worked for both international and local public accounting firms. He is a graduate of the University of Florida and is active in the local business community.

Cynthia S. Cunningham, CPA 407-395-2611

Cynthia Cunningham joined the firm in November 2017. She has over 30 years of experience as a CPA, working in both the public and private sectors, with an emphasis in construction accounting. Cynthia is a graduate of the University of Central Florida, and is active in NAWIC (National Association of Women in Construction) and the local Parrotheads chapter (PHCF).

Anna Reinhardt, CPA 407-395-2996

Anna Reinhardt joined the firm in November 2018.  She has over six years of experience in public accounting and worked for local firms in the Central Florida area.  She is a graduate of the University of Florida and grew up in Winter Garden.

Barbara D. Lacy, CPA 407-395-2992

Barb Lacy joined the firm in 2012 with over 15 years experience. She has worked for both international and local accounting firms. Barb is a graduate of Florida State University and a life-long resident of the area.

Winnie Tse, CPA 407-395-2991

Winnie Tse joined the firm in 2010. She is a graduate of the University of Central Florida, where she also obtained a Masters Degree in Accounting.

Lisa Combs 407-395-2994

Lisa Combs joined the firm in 1988. She is a life-long resident of Winter Garden. She is an active member of the West Orange Church of Christ and has served on the Winter Garden Little League board.

Jeanie T. Lowery 407-395-2993

Jeanie Lowery joined the firm in 1999 after 16 years of experience at an Orlando accounting firm.

Leslie Warden 407-395-2995

Leslie Warden has been with the firm for over twenty years. She has a degree from the University of Florida. Leslie is a life-long resident of Winter Garden and is an active member of her church and community.

Kim Mikitka 407-395-2987

Kim Mikitka joined the firm in 2013 after 17 years as an Administrative Assistant. Kim is a Winter Garden resident and supports numerous Winter Garden activities.

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