Our Team

Clinical Staff

Jill Zlomke McPherson, LIMHP - CEO and Executive Director

Ms. Zlomke is a Licensed Independent Mental Health Practitioner and graduated with a Master’s degree in Educational Psychology-Community Counseling from the University of Nebraska in 2005. She began her career as a therapist at NMHC before serving as Treatment Coordinator at Excelsior Youth Centers (a residential treatment center), in Aurora, Colorado, and later, as Director of Outpatient Treatment at Pediatric Psychology Associates in Beatrice, Nebraska. As owner and CEO of Nebraska Mental Health Centers she oversees day-to-day operations and supervises provisionally-licensed providers and Master’s-level psychology practicum students. Her areas of specialization include cognitive behavioral therapy, interpersonal relationships and healthy communications, PTSD, and general mental health services surrounding issues of depression, anxiety, and adjustment disorders. Ms. Zlomke has specific expertise in assessing and treating adolescent females and young women with severe symptoms including traumatic histories such as domestic violence, abuse and sexual offense victims. Ms. Zlomke serves as the primary supervisor for provisionally licensed mental health practitioners and for Master’s-level psychology practicum students. She is certified to provide specialized Parent Child Interaction Training (PCIT) and provides this specialized intervention with a number of families.

Jill is a Nebraska native who hails from Beatrice and has also spent time in Miami, Florida and Denver, Colorado. She currently resides in Lincoln with her family. Her interests outside of work include music and art.

Melissa Lafferty, Ph.D. - Internship Training Director, Supervisor, and Licensed Psychologist

Dr. Lafferty is Nebraska native and a graduate of both NMHC’s Psychology Internship and Residency Programs and the University of Nebraska-Kearney and Walden University. She focuses her services within the Lincoln and Beatrice office sites. Dr. Lafferty provides and coordinates NMHC-provided services for Beatrice Public Schools Special Education. She also serves as a mental health provider/consultant with the Blue Valley Community Action Partnership that provides Head Start services and Early Intervention Services for Southeast Nebraska. Dr. Lafferty has experience conducting psychological, psychoeducational, social security disability, and court-ordered evaluations. She co-supervises the (within agency) Parent Child Interaction Training (PCIT) training and is certified to provide this specialized intervention.

Dr. Lafferty enjoys spending free time with her family and enjoys supervising her daughters’ Girl Scouts’ activities.

Ashleigh Clarke, Psy.D.

Dr. Clarke obtained a Master’s Degree from Pacific University in Counseling Psychology and a second Master’s Degree from Marywood University in Clinical Psychology. She is a proud graduate of NMHC's Psychology Internship Program. She utilizes a process oriented, client-centered and strength based approach integrating Interpersonal and Cognitive-Behavioral techniques with her clients. She has a passion for working with adolescents, young adults, and women who have experienced trauma or are experiencing stress related to life changes and adjustments. She has a goal to utilize her skills for social change and advocacy as she develops into a professional psychologist.

Dr. Clarke is passionate about rescuing, fostering, and adopting senior dogs and providing a loving home for even those with medical needs.

Jamie Monfelt, LIMHP

Ms. Monfelt is a Licensed Independent Mental Health Practitioner and graduated from the University of Nebraska – Lincoln with a bachelor’s degree in Psychology and a master’s degree in Counseling from Doane College. She has worked with the Child Welfare and Juvenile Justice systems, including serving as a Director of Child Welfare Services. She has also previously served on two governor-appointed committees including the Commission of the Protection of Children, and the Women’s Health Initiative Council. She serves as NMHC’s Rural Services Coordinator that promotes NMHC within the rural communities by collaborating and networking with rural referral sources and attending community meetings regarding development of ongoing mental health services, providing teaching/training on rural mental health, and supervision for clinical staff in rural areas. Ms. Monfelt also works with individuals and families with multi-morbid, multi-systemic issues, including but not limited to, severe and persistent mental illness, individuals with developmental/intellectual disabilities, and substance abuse. Her particular areas of interest also include assessing function, identifying risk, and teaching therapeutic interventions to other providers, students, and community members.

In her free time, Jamie enjoys spending time with her family, playing volleyball, jogging, and chasing sunsets.

Anne Vrbka, LIMHP, LADC

Ms. Vrbka received her Bachelor of Science degree with minors in Sociology and Anthropology from Nebraska Wesleyan University. She received her Master of Arts in Counseling from Doane College in 2008. She has worked in direct care as a family support worker at Visinet, Inc., and as a Psychiatric Tech at Lincoln Regional Center prior to obtaining her licensure. She is dually credentialed as a LADC and LIMHP.

Anne is a feline enthusiast and also enjoys all the flora and fauna she can, as evidenced by the time she spends outdoors in her yard at home and all the plants in her office!

Amanda Dieckgrafe, LIMHP

Amanda started with us last year as an M.S. Counseling Intern and has graduated to Staff Therapist. She is a native Nebraskan who completed her undergraduate in Elementary Education at the University of Nebraska-Lincoln (UNL). She worked for eight years as a Fine Arts Teacher where she shared her love of music and art with her students in grades Pre-K through 8th grade. Amanda completed her Master of Science in Counseling through Divine Mercy University (DMU) located in Metro Washington D.C.

Amanda enjoys spending time with her large family, playing the piano, bike rides and bonfires. She also enjoys card games, road trips, cooking and baking. Amanda looks forward to serving the community and meeting new people.

Cody Moslander, PLMHP

Cody has worked with Nebraska Mental Health Centers since 2020 in a variety of roles. A native Nebraskan, he has also worked and studied with others from around the world and seeks to understand and empower each person as the unique individual that they are. He believes that there is hope in any situation and that better days are possible. Cody has a great opportunity through the University of Nebraska at Omaha internship program to provide counseling services at Nebraska Mental Health Centers at a reasonable rate to clients who are not currently under insurance.

Cody looks forward to meeting new people and discussing how best to help you when working together with you on your path in life.

Olivia Groeteke, PLMHP

Olivia is a new clinician who graduated with her masters in clinical mental health counseling from the University of Nebraska at Kearney. Being from rural Nebraska, she has a passion for providing mental health services to populations that are underserved. Olivia has experience working with individuals who are struggling with substance use challenges, anxiety, depression, life changes, college-age students, new mothers and those who are neurodivergent.

Olivia welcomes all individuals who are looking for extra support! In her free time she enjoys reading, going on walks, painting, and spending time with her furry feline.

Nancy Heller, LMHP

Nancy is a Licensed Mental Health Practitioner who began working for NMHC in December 2001. She specializes in services for seniors and faith-based treatment. Ms. Heller graduated in May 2000 with a Master of Arts from Grace University. Ms. Heller has been an independent contractor working with NMHC for several years focusing primarily on in-home therapy.

Kristi Weber, APRN-NP

Ms. Weber is a Certified Family Psychiatric Mental Health Nurse Practitioner who has provided behavioral health services to incarcerated individuals, chronically mentally ill adults and mentally challenged individuals in the community since 2008. Ms. Weber joined NMHC in 2014.

Stephanie Kentopp, LMHP

Stephanie is an experienced therapist and graduate of Doane College in Crete, Nebraska. Ms. Kentopp is an independent contractor working with NMHC primarily providing services to adults and couples. Stephanie and her husband are the parents of two young boys and business owners.

Wendy Siciliano, PLMHP

Wendy is a graduate of our Psychology Internship Program.

Sean Thomas, Psy.D. - Consultant Psychologist

Alexandra Munet, Psy.D. - Consultant Psychologist

Please welcome our 2024-2025 NMHC Psychology Interns!

Emma Annechino, PLMHP

Emma is receiving her Psy.D. in clinical and school psychology from Roberts Wesleyan University in New York. She tends to use an eclectic approach to therapy (typically CBT, DBT, and ACT), but it’s all dependent on the client’s needs. In her free time she likes to spend time with her family, friends, and new puppy Lincoln. She also enjoys working out, reading, lounging by the pool, and watching football.

Josh Magold, PLMHP

Josh is originally from the Chicagoland area, and attended Adler University Professional Psychology School in downtown Chicago. Within therapy, he enjoys utilizing a humanistic perspective, with the capability of tying in a variety of approaches from different theoretical orientations, in order to fully meet the needs of any given client. He also enjoys integrating meditation into session when needed, and emphasize the importance of rapport-building in creating a safe and nurturing therapeutic relationship. In his spare time, he loves watching all kinds of sports, playing video games, and listening to audiobooks (many psychological thrillers of course) as a way to wind down after a long day.

C.C. Mathieu, PLMHP

C.C. (she/her), a native Iowan, is a graduate student intern who has a Master's degree in Clinical Psychology and is currently pursuing her Psy.D. degree through Adler University in Chicago. Prior to, she obtained a Master's degree in Forensic Psychology from Walden University. C.C.'s therapeutic approach is centered on creating a safe, non-judgmental space where you can explore your thoughts and emotions openly. C.C. has a passion for providing mental health services to individuals across the lifespan and has experience working with a variety of presentations, including predominately, anxiety, depression, eating disorders, ADHD, Autism, and OCD.

C.C. enjoys spending her free time with her two pugs, painting, and being with friends and family.

Will Wooten, PLMHP

Will (he/him) is a doctoral intern who graduated with a Master’s in Counseling from Marquette University, and later enrolled in a clinical psych doctoral degree at the University of Wisconsin-Madison. He has worked in a variety of settings ranging including psychiatric hospitals, community clinics, and private practice clinics. He has worked with clients to address a variety of concerns, including substance use, depression, anxiety, eating disorders, and more. His therapeutic approach uses aspects from person-centered therapy—emphasizing developing a strong therapeutic alliance—and cognitive-behavioral therapy—analyzing one’s thoughts to help shift their feelings and behaviors. He also incorporates a skills-based and psychoeducational approach to help clients develop resilience toward emotions, stress, and more. He has interests in working with children, teens, and adults in both psychotherapy and assessment settings.

Administrative Staff

Serena Moore - Administrative Coordinator

Serena completed a Bachelor of Arts degree, focusing on psychology, from the University of Nebraska-Lincoln in 2017. Serena assists in managing the billing systems and filing insurance claims. She also manages the Letters of Agreement billing with the State of Nebraska.

Serena is an avid horseback rider who has worked to train horses for the purposes of therapy. She also enjoys traveling to western Nebraska for hunting with family members and friends.

Thomas McPherson - Practice Administrator/Community Outreach Coordinator

Thomas (he/him) manages the practice’s public relations and marketing activities and serves as the technical coordinator for computers and other technological needs.

Thomas graduated from Metro State College (now Metro State University) in Denver with a B.A. in English with minors in History and Journalism. He moved to Nebraska in 2010, and obtained a certification in Technical Writing. When he’s not at work or tending to his daughter he’s usually busy bothering his two dogs or working on the yard and garden at home. He enjoys pursuing art, graphic design, keeping his comic book stash safe, and most anything geeky.

Andrea Gartner - Accounts Coordinator

Andrea is a native of Elgin, Nebraska, graduated from Broken Bow High School and has an Associate of Office Professional Degree. She serves as our Accounts Coordinator and manages patients’ accounts, payment plans, and insurance questions, and insurance authorizations, billing and denials. .Andrea also assists in managing the NMHC services and billing for Nebraska Probation Office. She has been an advocate for domestic violence programs and sexual assault survivors and worked closely with local law enforcement and court personnel to find new ways to overcome domestic violence and substance abuse in her local area.