I had the privilege of working with Bill for 24 years at ERS. He is a skilled clinician who excels at conflict management and leadership development. Bill is also an engaging presenter who enjoys creating new trainings and interacting with the audience. Bill has advised many organizations in the development and implementation of their own Drug Free Workplace policies using his extensive experience in the substance abuse field. I enjoyed collaborating with Bill over the years, as he is a wonderfully supportive and thoughtful person.

Andrea Harkleroad, Client Relations Manager at AllOne Health

Vista Safety Consulting confidently recommends Mosaic Training & Consulting and Bill Heffernan as a strategic resource for strengthening leadership effectiveness and workplace culture. Bill brings exceptional expertise and credibility in coaching managers through complex personnel challenges — including difficult conversations, reasonable suspicion training, and performance management — while also delivering impactful employee training in communication, conflict resolution, professionalism, and harassment prevention.

Roger M. Paveza, CRIS, President

I have had the pleasure of partnering with Bill Heffernan for over eight years to deliver Sexual Harassment Prevention Training for my clients. The feedback has been consistently positive, with clients expressing strong appreciation for both the depth of the content and Bill’s engaging, professional delivery.

Bill is an exceptional presenter who brings extensive expertise through his experience as a Licensed Clinical Professional Counselor and coach. He has a remarkable ability to address complex and sensitive subject matter in a manner that is clear, relatable, and impactful. His use of real-life scenarios fosters meaningful discussion while maintaining the highest level of professionalism.

In addition to our training initiatives, Bill and I have collaborated on a series of podcasts addressing Human Resource trends and compliance updates. Our discussions offered thoughtful perspectives on workplace issues and provided practical, well-reasoned recommendations for business leaders.

I highly recommend Bill as a counselor, trainer, and trusted advisor. I greatly value our long-standing partnership and look forward to continuing our work together.

Cindi Elstien, Founder of People by CFE

I have had the honor and privilege of working with Bill for the last 17 years and have known him professionally for 25 years. Bill is a gifted trainer and articulate speaker whose tireless work ethic and willingness to go the extra mile goes into every project he touches. Bill’s expertise includes the development and implementation of Employee/Member Assistance Programs, Drug-Free Workplace Policy and Organizational Consultation. Bill is extremely professional and well respected in the EAP Community. On a personal note, Bill is a great mentor and a wonderful colleague. I learn something new every time I speak with him.

Kathleen Horton LCPC, CADC, Rosecrance

The Electrical Contractors’ Association of City of Chicago (ECA), has been fortunate enough to have Bill Heffernan share his knowledge with the membership over the years regarding ScreenSafe, the effects of drug and alcohol abuse as well as the importance of prevention, the effects of addiction and where to seek help, the topics of: mental health awareness, reasonable suspicion issues, sexual harassment prevention, and the list goes on. Bill’s empathetic nature is prevalent throughout any discussion, presentation, seminar. He genuinely cares about the topics he’s presenting, as well as to whom it’s being presented. I wholeheartedly recommend Bill for providing support to management / supervisors concerning the above issues, as well as training employees to work better together.

Tim Taylor, ECA Assistant Manager

Bill Heffernan is extremely knowledgeable and experienced in providing EAP/MAP services to client companies in various industries nationwide. Bill is an expert in providing drug free workplace programs, management consultation, wellness seminars, workplace training programs, Critical Incident Stress Debriefings (CISD’s), and organizational consultation in diverse organizational settings including unions, hospitals, financial companies, etc.

Bill is a caring and relatable professional who is respected and appreciated by his colleagues, staff and clients.

Joyce Marter, LCPC, CSP

It’s rare to meet someone who’s a stand out talent and a humble a person – that’s Bill Heffernan. I have had the pleasure of knowing Bill for nearly 14 years – working with him as a client, and I would be honored to say as a friend. Bill is highly professional, extremely well versed, and a great leader with an infectious enthusiasm for life. Bill has an incredible ability to know exactly what you need and then makes sure you get it. As a team member or leader, Bill earns my highest recommendation.

Denise Maiolo, Experienced HR Executive Leader

The contractor members of PCA of Greater Chicago have relied on and benefited meaningfully from our ongoing association with Bill Heffernan for well over two decades. From educational conference segments to presentations at our membership meetings, to panel discussions, and his individual guidance on a wide range of pertinent mental health and life balance topics, Bill has been consistently and enthusiastically – available and willing to share his professional knowledge and experience. As a speaker, he is engaging and he ably holds an audience’s attention. No question ever comes across as too basic or too complex for him to address with patience, clarity and empathy. At our request, Bill has led a variety of well-researched and illuminating sessions, and feedback from our attendees has always been positive. The PCA’s leaders and staff continue to turn to Bill as a well-versed instructor and a trusted advisor. We have recommended him to numerous organizations in his role as a presenter/speaker due to our genuine regard and appreciation for Bill’s abilities to teach, advise and inform.

S.J. Peters, Executive Director – Plumbing Contractors Association (PCA) of Greater Chicago