Client Services Team Members

Our client services team members are available to answer your questions about Lakeview, and help get your patients started in treatment. Email our team members by clicking on their photos.

Senior Vice President of Outreach & Marketing

Derek Gwaltney holds a bachelor’s degree from East Carolina University. He has sales and management experience in the pharmaceutical and addiction industries and served most recently as director of business development for Dominion Diagnostics.
Click here to contact Derek

crystal-shliferCrystal Shlifer

Senior Director of Client Services for the Southern Region

Area: South FL
Crystal Shlifer is a certified addiction professional in the state of Florida and an internationally certified alcohol and drug counselor. She received her bachelor’s degree from Florida Atlantic University and has extensive knowledge of clinical, operational and business development aspects of the addiction treatment field. Crystal also sits on the board of directors for the National Youth Recovery Foundation.

Click here to contact Crystal

katie-armstrongKatie Armstrong

Client Services Consultant

Area: North FL
Katie Armstrong has years of experience developing and marketing programs in the healthcare field. She is the cofounder of the PACE Center for Girls and remains active with the local PACE program. She is active in prevention and education organizations in Jacksonville, and serves on the board of Northeast Florida Council on Alcoholism and Drug Abuse (NEFCADA). She is also active in the Health Council of the Jacksonville Chamber of Commerce. Katie holds a bachelor’s degree from Jacksonville University.
Click here to contact Katie

kimberly-sheahanKimberly Sheahan

Client Services Consultant

Areas: CT, NY
Kimberly Sheahan holds a bachelor of science in nursing from the Catholic University of America. She has extensive clinical, sales, marketing and community outreach experience in the substance abuse and mental health fields. Kimberly also previously worked in the pharmaceutical field promoting substance abuse and psychiatric medications.
Click here to contact Kimberly

dan-bollaDan Bolla

Client Services Consultant

Areas: OH, West NY
Dan Bolla has worked for the past 10 years in the fields of drugs, alcohol and mental health recovery for both adolescents and adults. He earned his bachelor’s degree in criminal justice from Edinboro University. Dan has been credentialed as a Pennsylvania Client Placement Criteria mobile assessor. He is driven by assisting others and is knowledgeable both clinically and operationally. Dan is also co-chair of the Erie County (Pa.) Drug and Alcohol Coalition.
Click here to contact Dan

photo of Sitara Fraser Lakeview Health Client Services ConsultantSitara Fraser

Client Services Consultant

Area: Central FL
Sitara Fraser graduated from Nova Southeastern University with a degree in psychology. She has an extensive background in marketing and business development, working in both the public and private sectors. Most recently, she has worked for an eating disorder and addiction treatment facility in Central Florida, where she focused on community outreach and marketing.
Click here to contact Sitara

andrea-rayburnAndrea Rayburn

Client Services Consultant

Areas: AL, GA, LA, MS
Andrea graduated from Middle Tennessee State University with a degree in psychology. She has five years of experience working in both the clinical and business aspects of mental health treatment, including managing a psychiatric residential facility. Most recently she was the human resources and marketing director for a Louisiana-based addiction treatment facility. Andrea assists professional referrals, families and individuals access treatment for mental health and substance use disorders.
Click here to contact Andrea

Jeff Machacekjeff-machacek

Client Services Consultant

Area: South FL
Jeff is the Client Services Consultant for the South Florida region. With both personal and professional working knowledge of addiction, Jeff has dedicated his life to working in the mental health and substance abuse field. His passion for helping others and his ability to build relationships with clients, families, and colleagues all contribute to his expertise in this field.
Click here to contact Jeff

seth-bornSeth Born

Client Services Consultant

Area: Western U.S.
Seth is the Lakeview Client Services Consultant for the Western U.S.. As a person in long-term recovery himself, with numerous years of experience in the fields of mental health and substance abuse, Seth lives his passion of helping others and their loved ones find hope during their time of need. His work as a public health advocate and community liaison provides a vast network of resources to the Lakeview team and those they serve. Seth is an avid traveler, adventurer, outdoor enthusiast, writer, landscaper and Green Bay Packers fan.
Click here to contact Seth

jessica-kreisJessica Kreis

Client Services Consultant

Area: Austin, Texas
Jessica Kreis is a graduate from Auburn University. She has over 5 years of experience advocating for personalized patient care in Houston, Austin, San Antonio, and the Rio Grande Valley, Texas. Her recent work with providers treating patients struggling with mental health, pain, and addiction deepened her desire to help others. Her motto is: “Nobody cares how much you know; until they know how much you care.” and she works hard to use her compassion and knowledge when helping others. Jessica is proud to serve as your Lakeview Health Client Services Consultant for the Heart of Texas based in Austin.
Click here to contact Jessica

blake-serpaBlake Serpa

Director of Client Services for the Central Region

Area: Dallas/Fort Worth and Houston, Texas
Blake is a graduate of the University of Mississippi with a degree in Business Administration. He joined the Lakeview Health Client Services team in early 2016 supporting professional providers in his hometown of Dallas/Fort Worth. Blake has a depth of professional experience in building relationships and fostering connections to help find solutions to key issues. He is familiar with the difficulties that often arise with families struggling with mental health and substance use disorders and can advocate for them in finding the best treatment. Blake spends his free time outdoors training for his upcoming Ironman Triathlon.
Click here to contact Blake

sean-jellisonSean Jellison

Client Services Consultant

Area: Maine, New Hampshire, Massachusetts, Vermont, and Rhode Island

Sean joined Lakeview Health in early 2016, and holds a bachelor’s degree from the University of New Hampshire. He has over 5 years’ of sales and marketing experience in the medical field, helping provide the best personalized care for patients. He has a passion for developing relationships, and helping families find the best care for their loved ones. Sean is an avid New England sports fan, and spends his free time with his family.

Sean provides services to Maine, New Hampshire, Massachusetts, Vermont, and Rhode Island.

Click here to contact Sean

Mandy KoblischekMandy-Photo

Director of Client Services for the Northeast Region

Area: Northeast Region

Mandy Koblischek is a graduate of Rowan College of NJ in Business and Marketing. She began her career in substance abuse services working as a tech in a detox drug rehab program, she advanced to the Director of Substance Abuse Admissions for Carrier Clinic. Mandy moved into the marketing field allowing her to use her knowledge and experience to usher clients into treatment on global level. Most recently, she was the Director of Marketing for St. Joseph Institute near State College, Pennsylvania.

Mandy enjoys working with families and other people in the community that may be in need of addiction services and has dedicated her career and personal life in assisting people find the help they need to overcome their addictions.

Mandy is ready to help support clients and families in the Northeast territory access treatment at Lakeview Health.

Click here to contact Mandy

Danny Silianoffphoto of Danny Silianoff, Houston Rep

Client Services Consultant

Area: Houston, Texas

Danny enjoys working with community providers, including medical doctors and mental health counselors in the community that assist individuals and families that may be in need of addiction services. He is able to assist people in finding the help they need to overcome their addictions.

Danny is ready to help support clients and families in the Houston, Texas area access treatment at Lakeview Health.

Click here to contact Danny