Grace R. Denault, BA, RPSGT, RST, CCSH

Ms. Denault has been involved with Sleep Medicine for almost 3 decades. She obtained her B.A. in Psychology from Johns Hopkins University in 1988.
She holds Registered Polysomnographic Technologist (RPSGT) credential #720 (there are currently more 17,000). In addition to her RPSGT, she also received the Registered Sleep Technologist (RST) credential during its inaugural year and Certification in Clinical Sleep Health in 2017.
Her experience in sleep medicine includes front-line patient care, management, research, education and legislative activities. She has worked on item development for national sleep technologist exams.
Ms. Denault has been Secretary and President of the Delaware Sleep Society and was instrumental in shepherding the Delaware Professional Polysomnographer act into law. Ms. Denault holds the first Professional Polysomnographer license ever issued in the state of Delaware and she is a member of the Polysomnography Advisory Council to the Delaware Board of Medical Licensure and Discipline.
Ms. Denault is an instructor at Delaware Technical and Community College and at University of Delaware Professional and Continuing Studies, teaching courses related to Sleep Medicine. Ms. Denault is available to work with firms to improve protocols and facilities to increase safety and productivity from an alertness and circadian rhythms perspective. She also enjoys working with community groups as a speaker on sleep medicine topics.


  • Gambardella, Andrea C, Denault, Grace R, Gambardella, Lucille C.The Relationship Between Sleep and Alzheimer’s Disease. 2017 Sylvan M. Cohen Annual Retreat on the Genetics of Aging-Related Neurodegeneration at the Institute on Aging at the University of Pennsylvania, May 23, 2017
  • Martin UU, Travaline JM, Crocetti J, Denault GR, Rao, O’Kane P, McCool FD, Criner GJ, Krachman SL. Correlation Between Nocturnal Oxygen Desaturation And Diaphragm Zone Of Apposition Length (LZAP) In Patients With Severe COPD. Am J Respir Crit Care Med 2000; 161:A351
  • Crocetti JG, Leyenson VM, Chatila W, D’Alonzo GE, Denault G, Krachman SL. Effects Of Oxygen Therapy And Nasal CPAP On Body Oxygen Stores In Patients With Cheyne-Stokes Respiration And Congestive Heart Failure. Am J Respir Crit Care Med 2000; 161:A362
  • Nugent T, Chatila W, D’Alonzo GE, Denault G, Krachman S. Effects Of Oxygen Therapy On Left Ventiricular Function In Patients With Cheyne-Stokes Respiration (CSR) And Congestive Heart Failure. Am J Respir Crit Care Med 2000: 165:A247, 2002

Lyron Deputy, MSN, MBA, APN-BC, CEO

Mr. Deputy received his AS from Wesley College in 1999.  After working several years in clinical settings, he returned to Wesley to earn his MSN and obtain certification as an advanced practice nurse. He also took several undergraduate business courses before earning his MBA from Wilmington University.

Mr. Deputy skillfully combined his clinical and business skills to open Delmarva Sleep Diagnostics in 2004. In 2007 the business merged with other health care organizations and a group of physicians, becoming Delaware Sleep Disorder Centers.  Most recently, in 2017, he formed The ACADEMY OF SLEEP AND WELLNESS from the successful education arm of Delaware Sleep Disorder Centers.

In addition to his role as a high profile nurse entrepreneur, Mr. Deputy is passionate about education. He has been an adjunct clinical faculty member at Wesley College since 2005 working in the clinical skills lab to help nursing students practice and refine their skills. He has worked to evolve the role of advanced practice nurse to be able to assist physicians with education and follow-up, particularly focusing on sleep medicine.  Mr. Deputy has valued and benefited from the support and encouragement from mentors throughout his education and strives to do the same for his students when they are facing challenges.

Mr. Deputy has presented research internationally including at the 27th International Nursing Research Congress in Cape Town, South Africa.

Lucille C. Gambardella, PhD, APN-BC,CNE

Dr. Lucille Gambardella is a graduate of Villanova University with a Bachelor of Science Degree in nursing, Boston University with a Master of Science in Nursing with a specialty in adult psychiatric/mental health nursing and Columbia Pacific University with a PhD in Organizational Behavior and Leadership Development.

Dr. Gambardella, or Dr. G. as her students and colleague call her, has been a nurse educator and psychiatric/mental health nurse clinician for over 40 years and has taught in diploma, associate, baccalaureate and master degree programs in Connecticut, Pennsylvania and Delaware. She is an accomplished nurse educator and nurse clinician and is certified as an Advanced Practice Nurse by the American Nurses Credentialing Center (ANCC) and as a nurse educator (CNE) by the National League for Nursing Nurse Credentialing Center. She is a Fellow of the National League for Nursing (ANEF) for outstanding leadership and contributions to nursing education practice. As a teaching professor, her clinical focus was in psychiatric/mental health nursing. In 1980, she moved into the role of Chairperson at Bloomsburg University in PA and taught leadership and professional studies along with her administrative duties. She began teaching at Wesley College in 1984 and became chair in 1994 and held that role as well as the Director of Graduate Studies in Nursing since that time.

In addition, she is the CEO of Positive Transitions, a consultation and clinical practice company she maintains to remain current in practice. She retired as a professor/chair emerita in 2012 and has continued as the CEO of her company Positive Transitions as an entrepreneur nurse consultant.

She has published numerous articles and a workbook for the Wilson/Kneisl Psychiatric Nursing text. In addition, she has been a conference speaker at local, national and international programs including the most recent Sigma Theta Tau International Council of Research in Nursing in Cape Town, South Africa.

Her research interests include nursing education issues, depression in women, and she has completed and published her work on a study on marital discord following military deployment. Dr. Gambardella served as the President of the Delaware Board of Nursing and the Delaware Nurses Association. Professionally she is a member of the American Nurses Association, National League for Nursing, International Society of Psychiatric Nurses, American Psychiatric Nursing Association, National Association of Clinical Nurse Specialists, and Sigma Theta Tau International Honor Society.
In May of 2016, Dr. Gambardella was named the first Nurse Legend in the state of Delaware by the Delaware Nurses Association and Delaware Association of Nurse Leaders/Executives and was featured in Delaware Today magazine for her accomplishments.

Andrea Gambardella

As the Vice President of Business Development for The Academy of Sleep and Wellness, Andrea Gambardella is committed to working with her educational team to ensure increased awareness surrounding the latest educational research and emerging treatment technologies that foster compassionate care of patients suffering from sleep disorders. Andrea attended Wesley College in Dover, DE where she graduated Summa Cum Laude with a Bachelor’s in Communications in 1998. Andrea then moved on to the University of New Haven in Connecticut where she was a graduate assistant, a member of SHRM, and assistant editor of the University’s SHRM Journal. She graduated in 2000 with her Master’s Degree in Industrial Organizational Psychology.

Andrea is a highly accomplished sales management and marketing professional with more than 17 years of demonstrated success in the Pharmaceutical/Medical Device/ and B2B healthcare industry. She has extensive experience in building successful leadership teams, product launch training, healthcare strategy development, and tactical planning in managed markets. In addition to being passionate, persuasive, and highly driven, Andrea is a leader in her profession and has a proven track record for exceeding targeted goals by building winning sales teams.

Attending and presenting at local and national conferences allows her to stay informed about advances in sleep health and wellness as well as helps to further her growth and passion within the healthcare sales industry. Andrea recently visited Cape Town, South Africa where she attended the Sigma Theta Tau International Research Congress and Conference in promotion of advancing sleep health as an essential vital sign. The venue also allowed her the opportunity to stress the sense of urgency surrounding the importance of including sleep disorders in all nursing education curricula. This year she will be continuing that research with her team when she attends the Sigma Theta Tau Conference in Dublin, Ireland.

Andrea is a native to Delaware and recently relocated to Lewes Beach, which she now calls home. Outside of the office, she enjoys spending her free time traveling, staying active in the community, and making memories with family and friends.