Our Team

John Mimnaugh, LNHA, ALCP

President & Chief Executive Officer

John has 35 years of experience in senior healthcare, including assisted living, long-term care, and skilled nursing and rehabilitation. He received his Nursing Home Administrators license in 2003. John previously served for 18 years as the Licensed Nursing Home Administrator for one of the busiest skilled nursing/sub-acute rehab facilities in the state of Michigan. His facility achieved a CMS 5-Star rating for 18 consecutive years, in addition to being awarded High Performer recognition from US News & World Report Best Nursing Homes for short-term rehab as well as long-term care.

Janet Butler, RN

Vice President & Chief Operating Officer

Janet is an executive registered nurse with more than 30 years of healthcare experience. For the past 20 years, Janet has had ever increasing high level management responsibilities. Janet is recognized statewide for her keen ability to understand, interpret and apply complex and ever changing regulatory requirements, well beyond just clinical. She continues to be in high demand as an expert consultant. She excels in the areas of policy and procedure development and the related compliance documentation. Her teaching, mentoring, modeling, managing and leadership skills are excellent. Her bedside manner and compassion for residents and their family is most appreciated. At Woodhaven Janet oversees all Clinical Care and Quality, Life Enrichment, Admissions/Marketing, Woodpointe and Woodhaven at Bay City.

Jim Butler, NHA

Director of Assisted Living and NHA Consultant

Jim has more than 40 years’ of experience in healthcare. He has been a licensed Nursing Home Administrator for over 30 years. As the Regional Director of a Healthcare REIT with a portfolio of over 700 properties, mostly skilled nursing, assisted living and independent living facilities, he had oversight of 150 facilities. His experience includes construction of a new three level luxury older adult apartment complex which received multiple awards. Jim has had multiple consecutive deficiency-free skilled nursing state licensure inspection surveys. He has operational oversight of Woodhaven’s four separate care and service neighborhoods. Jim’s facilities have enjoyed excellent occupancies and reputations. Jim also taught healthcare administration classes as an Adjunct Professor for Madonna University for over 15 years.

Donna Dudek

Director of Accounting

Donna has over 20 years’ experience in the field of accounting. 18 years of which have been in the accounting department at Woodhaven, dedicated to long term healthcare finances. She worked at Woodhaven from 1992 to 1994, left Woodhaven for 11 years to start a family, obtained an associate’s degree in Health Information Technology, and then returned to Woodhaven’s accounting department in 2005 as the accounting assistant. In 2010, she advanced to the Director of Accounting position, and her experience includes Medicare, Medicaid, managed care and private pay billing. She oversees all transactions up to and including financial statement preparation each month. She works closely with the external auditors with annual financial statement preparation and tax return filings.

Angela Stol

Director of Admissions & Marketing

Angela is most often the first person with whom interested family members meet, when curious about Woodhaven. This often results in multiple subsequent communications with various interested family members. Angela coordinates these logistics and is able to achieve family unity and collaboration with ease. Angela is an expert at providing solutions for the often increasing needs of local seniors. She views each situation as unique. Her approach is to tailor the Woodhaven offering and the room location, view and staffing, flowing from her assessment of the potential client. Woodhaven’s broad array of services/neighborhoods provides something for everyone. Angela believes no one should have to be isolated or lonely.

Allie Haidar

Director of Culinary

Allie has over 35 years of ever increasing experience in a variety of settings from hospitals to high end restaurants to retirement living. Allie began his career in healthcare in 2008 in the hospital setting. In 2012 he graduated from the Art Institute’s Culinary Arts program and began his professional career in senior living. Allie loves catering to individual resident likes and healthcare needs. His menus are diverse and continuously being upgraded. In addition to American food, Allie enjoys showcasing his expertise with Mediterranean, Latin and various other ethnic cuisines. His family includes his wife and two school aged children. In his leisure time, Allie enjoys camping, hiking and mountain biking.

Karin Stefanick

Director of Human Resources

Karin was born and raised in Kupferzell, Germany, about 30 minutes from Stuttgart. She has a two year degree in Business Studies from Kaufmannische Berufsschule in Kunzelsau, Germany. Karin moved to the U.S. in 1999, after meeting her husband (from Redford) on a vacation in Spain! Their three children are currently studying at the U. S. Merchant Marine Academy at Kingspoint, New York. Karin has previous experience in Customer Service and at St. Michael’s school. At Woodhaven, Karin has full responsibility for the Human Resource function, which is clearly one the most important and critical areas. Her role includes ongoing recruitment, interviewing, background checking, processing, onboarding, orientation and ongoing retention efforts.

Lisa Boyd, RN

Director of Clinical Services

Lisa is a Registered Nurse who has been working with seniors for more than 30 years, ten of which have been at Woodhaven. Her experience includes staff education, marketing, admissions and the role of hospital liaison in both skilled and assisted living settings. She enjoys cultivating new relationships with other professionals who provide services to seniors to increase her knowledge base and deepen her resources of care providers. She has always been a people person and still prefers a good old fashioned face-to-face conversation to email any day. Lisa knew early on in her nursing career that her interest was in senior health and housing. Her most recent responsibilities are offering her more time with residents and families which she is really enjoying. Lisa is a graduate of MSU’s nursing program.

Tonya Dibble

Director of Payables and Payroll

Tonya completed a Bachelors’ Degree from Central Michigan University and is Professional Human Resources certified. She has over twenty years’ experience in human resources, many of which include payroll administration. At Woodhaven, Tonya is responsible for both Payroll and Accounts Payable for Woodhaven of Livonia, Woodpointe and also Woodhaven at Bay City. These responsibilities include, but are not limited to payroll generation, related payroll filings, employee benefits, purchase order management and accompanying invoice processing and payment and miscellaneous office assistance. Tonya strives to work hard with a heart to serve both the residents and the staff. Outside of work, Tonya enjoys spending time with her family and has many interests in outdoor activities and music.

Katie Duyser

Manager of Bay City Assisted and Independent Living

Katie has over 20 years of experience in the healthcare industry, including seven years in management. She is a seasoned leader committed to delivering compassionate, resident-focused care. Katie is also a Certified Nursing Assistant and a certified CPR instructor. She combines both clinical expertise with strategic management skills to ensure exceptional service and operational excellence, particularly in assisted living. Throughout her career, Katie has built a reputation for fostering supportive team environments, driving quality improvements initiatives and enhancing resident satisfaction through personalized care plans. She believes in leading with integrity, empathy and a deep commitment to the well-being of both residents and staff.

Nancy Bernardi

Office Manager/Staffing Manager

Nancy started working at Woodhaven in March of 2013 as an Office Assistant and is now the Office Manager/Staffing Manager at Woodhaven. Nancy moved to the United States from Canada in 1991. She graduated from the University of Western Ontario with a Business Administration Degree and worked in office administration at an insurance and law office for over ten years before coming to Woodhaven. Her present job duties include general office administration and support, as well as staffing coordination and payroll review for Woodhaven’s Personal Service Attendants, all governmental reporting, contracting and billing for Woodhaven’s Adult Day Program, medical records and census updating and support throughout the admissions process.

Cathy Ramirez

Manager of Life Enrichment

Cathy is Woodhaven’s Manager of Life Enrichment. She attended both Henry Ford and Wayne County Community Colleges. At Woodhaven Cathy schedules and oversees life enhancing activities and events offered seven days a week, including education, entertainment, physical and mental exercises, crafts, outings, Bible devotions and relationship building. She also coordinates and integrates Adult Day Program participants into daily life, activities and events. She is involved with staff development, scheduling and daily supervision. She also oversees the separate independent living staffing, ongoing community activities, events and outings. She brings life and hope and happiness to golden years for residents and Adult Day participants.

Randy Gasser, HSE, CPA, NHA

Senior Advisor

Randy has recently moved from CEO to Senior Advisor after 40 years at Woodhaven. He is the first credentialed Health Care Executive in Michigan. He is a licensed Nursing Home Administrator in Michigan and also a CPA in Michigan. Randy led the initial licensed assisted living facility construction, the addition of Michigan’s only 7 day a week senior adult day, the construction of one of Michigan’s very first memory support centers, the addition of long-term care, luxury living, outpatient rehabilitation and gracious senior living apartments. He also developed a second campus in Bay City, MI with both independent living apartments and licensed adult foster care.