QBS Staff

David Lennox, Ph.D.
President/CEO

Email dlennox@qbscompanies.com
Office (855) 727-6246 x201
Mobile (617) 240-1234

Dr. David Lennox, founder and President of QBS, Inc., received his Ph.D. from Western Michigan University specializing in Applied Behavior Analysis. With over 20 years of organizational, management, clinical, and marketing commitment, he has worked toward improving the services and outcomes for a vast array of healthcare organizations. Dr. Lennox has developed, directed, and consulted in organizations and programs treating children, adults, and geriatrics in a variety of settings including schools, community and group homes, long-term care, academic research programs, day treatment programs, and hospitals. He has managed services for individuals with a variety of rehabilitation and behavioral needs resulting from developmental disabilities, autism, head injury, Alzheimer's, psychiatric conditions, and a number of neurological disorders. Dr. Lennox has served as Vice-President of Behavioral Health Services for one of the largest national healthcare providers, developing and directing a nationwide network of over 80 specialty programs. He has conducted hundreds of presentations, published numerous articles, and has appeared on the PBS series entitled "Abnormal Psychology." In addition, has taught at numerous colleges and universities, has served on governmental committees for clinical change, and is active in numerous professional and healthcare organizations and associations.

Patty Pruden-Lennox, MBA
Chief Operating Officer

Patty Pruden-Lennox joins QBS, Inc in 2016 after having consulted with the company since its inception as well as being an officer.  Patty received her Bachelor’s Degree in Speech Communication from Ithaca College and an MBA from Northeastern University.  Prior to joining QBS, Patty has held many sales leadership positions in National Long-Term Care companies over the past 25 years.  Her experience includes Admissions Management, Sales, Business and Program Development, Customer Service and Sales Training, and Network Development, toward the end goal of driving revenue and census development.  Patty has also been licensed as a Nursing Home Administrator and an Instructor for Lasell College in their School of Business teaching Healthcare courses.

Jack McLellan, MBA
Director of Finance, Communications, and Human Resources

Email jmclellan@qbscompanies.com
Office (855) 727-6246 x202

Jack McLellan joined QBS in July 2005 with over 10 years of management experience with a background in marketing, advertising, and graphic design. Jack received his Master's in Business Administration and has worked in Marketing and Communication roles in the Human Services field with responsibilities for the development of marketing collaterals, promoting corporate imaging, recruitment advertising, tradeshows, creating and executing conferences, seminars, and trainings for profit and non-profit organizations throughout Massachusetts. His clients included residential schools, early intervention programs, adult day programs, daycare centers and behavioral education programs. Jack is also a Notary Public for the Commonwealth of Massachusetts.

Steve Hamerski
Director of Sales and Marketing

Steve joined QBS, Inc. in May of 2017. As Director of Sales and Marketing, he oversees all Sales and Business Development activities to drive the company’s growth. Steve is a graduate of the University of Massachusetts, Amherst, with a B.A. degree in Business Management. Prior to QBS, he held sales management positions in the Healthcare and Voluntary Insurance Benefit fields.

David Rourke, M.S.
Director of Compliance

Email drourke@qbscompanies.com
Office (855) 727-6246 x204
Mobile (781) 775-1834

David Rourke earned his bachelor's degree at the University of Pennsylvania and his master's at Villanova University. For more than 20 years, he's worked to provide behavioral support to adults and children with a wide range of diagnoses, including developmental disabilities, autism, brain injury, and psychiatric disorders. He has expertise in functional assessment individuals with challenging behaviors and the development and implementation of behavior support plans to enhance their ability to function. He has served as the Director of several treatment programs and has experience in community, residential, school, and inpatient settings.

Mark A. Geren, M.S., BCBA
Director of Consulting

Email mgeren@qbscompanies.com
Office (855) 727-6246 x217

Mark A. Geren holds a Masters of Science in Applied Behavior Analysis from Northeastern University and is a Board Certified Behavior Analyst®. For over 20 years, Mr. Geren has effectively treated people from a variety of populations, including the brain-injured, psychiatric, and developmentally disabled. He has served as clinical chief for two brain injury rehabilitation facilities, and head of clinical training in other organizations. He has published articles in the Journal of Applied Behavior Analysis and the Journal of Experimental Analysis of Human Behavior, and has done speaking engagements both nationally and internationally. Currently, he provides behavioral consultation and training to schools, human services organizations, and hospitals.

Erin Mayberry, MS, BCBA
Master Trainer/Consultant

Erin began her career in South Carolina while completing her Bachelor's degree in Early Childhood Education. Since moving to Boston in 2009, Erin has gained experience working with individuals with autism spectrum disorder and developmental disabilities in home, school, and clinic-based settings.  Erin received her Masters of Science in Applied Behavior Analysis from Simmons College and is a Board Certified Behavior Analyst. Most recently, Erin worked as a consultant to clients and families in both home and clinic settings.

Erin Devine, M.S.Ed., BCBA
Master Trainer/Consultant

Email edevine@qbscompanies.com
Office (855) 727-6246

Erin has been working with individuals with developmental disabilities and their families since 2004. She graduated from The George Washington University in Washington, DC with a BA in International Affairs and Psychology. Erin received her Master of Science in Special Education from Simmons College and completed her BCBA coursework through Northeastern University in Boston, MA while working at The New England Center for Children at both their Boston and Abu Dhabi, UAE campuses. Her time in Boston was split between center-based programs and inclusive settings. Her time in Abu Dhabi was primarily in inclusive and home settings. Erin is a licensed special education teacher and Board Certified Behavior Analyst.

Maria Ferlick, MS Ed., BCBA, LABA
Master Trainer/Consultant

Maria is a licensed teacher certified in Intensive Special Needs Education, as well as a Board Certified Behavior Analyst and a Licensed Applied Behavior Analyst.  She received her Master of Science in Education at Simmons College and completed the BCBA coursework through Endicott College.  Maria has worked with children, adolescents, and adults with autism and other developmental disabilities for almost 20 years.  She has worked in a variety of settings including, public schools (pull-out, sub-separate, and inclusion models), private residential and day schools, and in home consulting.  Maria’s experience includes training and supervising staff, curriculum development, completing assessments, and parent training. 

Christopher Rosado, MS, BCBA
Master Trainer/Consultant

Chris is a Board Certified Behavior Analyst from Miami, Florida. He received a Master of Science in Human Development and Applied Behavior Analysis from the University of Rochester. He’s had the opportunity to work with school, residential, homebased, and summer camps programs for individuals with Developmental Disabilities. His experience includes behavioral parent training, school-based functional assessments, and staff training. Prior to joining QBS, Chris assisted in the development of a parent training program treating wandering/elopement in children with Autism. He was also employed with a tier three school in Western New York where he conducted functional assessments and developed behavior programming for students with challenging behavior. His current areas of interest include behavior skills training, functional assessment methodologies, and the use of technology to enhance behavior interventions

Robyn Shimmin, MS, BCBA, LABA
Master Trainer/Consultant

Robyn received an MS in applied behavior analysis from Southern Illinois University-Carbondale and is a board certified associate behavior analyst from Chicago. Before joining the QBS team, she spent more than 10 years working with adults with developmental disabilities in home, day program, community and workshop settings. In addition, Robyn has provided consultation for programs that support individuals diagnosed with dementia.  Previously, she was a case manager for children in a specialized foster care program.

Mike Perillo, MS, BCBA
Master Trainer/Consultant

Michael is a Board Certified Behavior Analyst who is originally from Chicago, IL.  He completed his MS in Educational Psychology from The University of Nevada, Las Vegas in 2008.  After completing his MS he has worked in a variety of settings including a summer camp, a school, in-home, residential, and a clinic providing therapeutic behavioral services to individuals with special needs and their support systems.  Over the years he has worked with a very wide variety of diagnoses, ages, and functional abilities of clients.  Some current areas of interest for Michael include staff development/training, the use of applied behavior analysis to individuals who are not diagnosed with disabilities, and the possibility of future research into chronic traumatic encephalopathy (CTE) specifically within the population of individuals who have engaged in chronic self-injurious behavior.

Brittney Kalicki, MS, BCBA
Master Trainer/Consultant

Brittney has worked with individuals with autism and other developmental disabilities for over 11 years, initially in public schools, and then by providing home and center-based behavior analytic services. Brittney began her career as a special education teacher after graduating with a Master of Education in Special Education from the University of Washington. As a special education teacher, Brittney ran center-based autism classrooms for eight years. Brittney completed her BCBA coursework at the University of Colorado-Denver. She is currently a Board Certified Behavior Analyst. Since becoming a Board Certified Behavior Analyst, Brittney has programmed and supervised both home-based and center-based services. Before joining QBS, Brittney was a Clinical Director for an in-home ABA service provider. 

Carolyn Houze MS, BCBA
Master Train/Consultant

Carolyn is a Board Certified Behavior Analyst with over 5 years of experience working with individuals with disabilities. Carolyn received her Bachelors in Communication Disorders and Sciences from Eastern Illinois University and her Masters in Applied Behavior Analysis from The Chicago School of Professional Psychology. Her professional experience has been in a variety of settings including: schools, homes, clinics, and community based settings, as well as, providing continuous consulting with a variety of other disciplines.

Rick Angus
MS, BCBA

Rick is a Massachusetts native with over 7 years of experience in the field of Applied Behavior Analysis. Rick began his career in a private school, treating children and young adults with autism spectrum disorder, where he remained while receiving his Masters of Science in Applied Behavior Analysis from Bay Path University. Rick also has experience working in public school and residential settings, providing home services and consultation, and parent training. Rick is a Board Certified Behavior Analyst and Licensed Applied Behavior Analyst.

Ronnie Riedel
Regional Marketing Representative

Email rriedel@qbscompanies.com
Office (855) 727-6246 x203

Ronnie joined QBS in January 2013 as our Scheduling Coordinator. Ronnie coordinates the scheduling for all Safety Care Recertification training in the US and Canada. She regularly attends industry conferences to market and promote QBS training and assists with customer service inquiries. Prior to joining QBS, Ronnie was an executive assistant for over 12 years in New York City, and most recently, spent six years as the office manager for an executive search firm in MA. She also spent one year as a special education teacher aide for the Shrewsbury, MA school district.

Venessa Hinchliffe
Regional Marketing Representative

Venessa has seven years’ experience working in the Health and Human Services field. She has worked with a wide range of people with developmental disabilities and is a Safety Care Specialist. She graduated Cum Laude from Bridgewater State University in 2015 with a Bachelor of Science in Psychology and an accompanying minor in Public Relations. After graduating Venessa started looking into other ways she could help the population that she cherished. As a Regional Marketing Representative Venessa is in a position to introduce safer ways to interact with people with challenging and complex behaviors.

Shelly DePina
Regional Marketing Representative

Shelly joined QBS Companies in September of 2016 as a Regional Sales and Marketing Specialist.  In this role, she coordinates the scheduling for all Safety Care trainings in the Central and West regions of the US. She regularly attends industry conferences to market and promote QBS trainings and assists with customer service inquiries.  She is a graduate of Bridgewater State University with a Bachelor of Arts in Communication Studies.  While at BSU, she kept active and busy by participating on both the volleyball and basketball teams for all four years.  Prior to joining QBS, her professional experience has been made up of Sales, Marketing, Networking and Customer Service roles. 

Mary Young
Regional Marketing Representative

Mary joined QBS in January 2017 as a Regional Sales and Marketing Specialist. In this role she is responsible for the scheduling and marketing of all Safety-Care trainings in the Central Region. She travels to industry conferences to enthusiastically market and promote QBS and Safety-Care. Mary is a graduate of Wheaton College in Massachusetts, with a B.A. in Art History. Prior to joining QBS, she spent over 20 years in the energy industry in a variety of trading, marketing, sales and management roles. Mary resides in Providence, Rhode Island with her college age children.

Samantha Manning
Recertification Specialist

Samantha joined QBS in June of 2014. She graduated from Worcester State University with a Bachelor’s Degree in Health Education. Samantha started out as the first point of contact for QBS as the Receptionist and has been instrumental with the development and implementation of Trainer Connect. In 2016, Samantha was promoted to Sales/Marketing Specialist and now coordinates the scheduling logistics for Safety-Care Recertification trainings and customer service across the Southeast Region.

Rose Garber
Recertification Specialist

Rose joined QBS in May of 2017. She attended Bristol Community College for computer courses. Rose has worked in various administration roles and has extensive prior experience in customer service. Rose is working as a Sales/Marketing Specialist and coordinates the scheduling logistics for Safety-Care Recertification trainings and customer service across the Northeast Region.

Ashley Lynch
Social Media Manager

Ashley joined QBS Companies in October of 2016 as the Social Media Manager. She is responsible for keeping QBS on the cutting social-media edge. She graduated from Guilford College with a Bachelor’s Degree in English and minor in Communications. Ashley worked all four years for the college’s newspaper, and the last two of them as the paper’s Web and Social Media editor. Previous to joining QBS, she worked for a jewelry company as the Communication Specialist, where she discovered her passion for marketing and design. She is a very enthusiastic individual and has an ever-helpful spirit. Ashley currently resides in Rhode Island, and is excited to spread awareness about QBS’s brand and message across the nation.  

Ryan Hartley
Trainer Connect Specialist

Ryan Hartley joined the QBS team in August 2016 as the Front Desk Receptionist/Administrative Assistant. Along with being the first point of contact, Ryan troubleshoots and maintains the accuracy of training records on Trainer Connect. Familiar with both AP Style and Chicago AP Style from his time writing for The New Hampshire and The Valley Breeze, he has a sharp eye for detail that allows for efficient record-keeping. Having graduated from the University of New Hampshire in May 2015 with a Bachelor’s in Journalism, Ryan utilizes his effective written and communication skills to provide exceptional customer service. He also has a career background in customer relations. Outside of QBS, Ryan is a New England sports fanatic and enjoys both watching and playing sports. He also enjoys playing the drums and drawing and painting, activities that have helped shape his creative enthusiasm.

Natalie Demma
Data Entry Specialist

Natalie Demma is a Data Entry Specialist and has been with QBS since October 2013. Natalie is the powerhouse behind sending all materials to the training sites. She is responsible for receiving post training information and logging it into the system. In her spare time, Natalie likes to read romance and mystery novels. She resides in Ashland MA with her two teenage boys and her husband.

Mark Upham
Accounts Receivable Specialist

Mark Upham joined QBS in 2017 as the Accounts Receivable Specialist. Mark went to Central Connecticut State University where he received his Bachelors in Business Administration. He has over 20 years’ experience and has held several office manager roles throughout Ct, MA, and RI. One of Mark’s latest passions include renewable energy. Mark has worked in various fields such as, human resources, payroll, training, and orchestrated several trade shows for a National Solar company before joining the QBS team.