Our Team
Table of Contents
ToggleMeet Our Dedicated Leadership Team
At Origins Texas Recovery, our leadership team brings together a wealth of experience in addiction treatment and mental health care. Each member of our staff is deeply committed to guiding clients through their recovery journey with compassion, expertise, and understanding.
Our team comprises seasoned professionals who are either in active recovery themselves or have specialized training in addiction and mental health. This unique blend of personal experience and professional expertise allows us to provide empathetic, insightful care tailored to each individual’s needs.
As you explore our team profiles, you’ll gain insight into the diverse backgrounds and specialized skills that make our staff uniquely qualified to support you or your loved one on the path to lasting recovery. We invite you to get to know the dedicated individuals who will be by your side throughout your treatment experience at Origins Recovery Center and Hannah’s House.
Thomas Isbell | CEO
Thomas’ passion for recovery is hard to miss. His vision and commitment to high-quality treatment drive the mission at Origins Texas Recovery. Before joining Origins, Thomas served as founding director of The Pat Green Foundation, successfully raising millions of dollars for charity. He worked as a financial advisor for Seamless Capital, an Austin-based real estate company and has traveled the country as a motivational speaker. In recovery since 2010, Thomas has also served as a life coach and manager of a sober living home.Thomas Isbell
Roy M. Serpa | Chairman of the Board
Roy is a proven industry leader with over 33 years experience in the Healthcare services such as Home Health & Behavioral Health. Previously responsible for the oversight and management of annual revenues in excess of $250M & the treatment of 15,000+ patients annually. His experience includes facility-based and free-standing Home Health Agencies; Mergers & Acquisitions; Executive Leadership & Management; Executive Sales Management; Turn-around Management and Compliance & Regulatory issues.Roy M. Serpa
Derek Gwaltney | Chief Marketing Officer
For the past 10 years Derek has worked closely with business development teams at Lakeview Health and Pyramid Healthcare to grow and expand their offerings. Derek and his family recently relocated to Tucson, AZ to join the Origins family. Derek’s passion to helping individuals find quality treatment is apparent with all he does at Origins Texas Recovery and has made a great impact to the team thus far.Derek Gwaltney
Alan Goodstat | Director of Compliance, LCSW
Alan Goodstat, LCSW has 30 plus years’ experience in the Behavioral Healthcare field as a Clinician, Clinical Director, Program Director, Administrator/CEO, COO and Chief Compliance Officer. Alan received his Master of Social Work from Columbia University and is licensed in the States of Florida and South Carolina. Alan has a proven track record in providing compliance and organizational growth management services to both small and mid-size organizations, as well as start-up and pre-exit organizations . He sits on several behavioral health organization boards as an advisor, and member.Alan Goodstat
LCSW
David Armando Tejeda | Executive Director and Clinical Director
David Tejeda is first and foremost a clinician at heart. He is the current Executive Director and Clinical Director of the Origins Texas Recovery inpatient operations at South Padre Island, TX, including the intensive outpatient center in Harlingen, TX.He started his journey in the addiction and recovery field at Origins in 2014 where he worked as primary counselor and quickly moved into serving as the family services director for over three years. He has a small private counseling practice where he works with male teens and both male and female adults with co-occurring disorders. He has helped other treatment centers as a consultant in revamping curriculums, programming, implementing trauma-informed services and has worked on and off as a part-time lecturer at UTRGV with the graduate counseling department.
David Armando Tejeda
Bob Letke | Program Director, MA LPC Associate, LCDC, EMDR Trained
Bob has been working in the addiction field since 2001. He is passionate about the process of recovery and helping those who suffer from addiction and mental health issues. He joined the Origins team in 2015 as a Primary Counselor and is currently serving as the Program Director. Bob has a Bachelor’s Degree in Alcohol and Drug Counseling and a Master’s Degree in Clinical Mental Health Counseling. He is also trained in EMDR.In addition to working on substance abuse issues, Bob has a strong passion for working with individuals who suffer from trauma. Bob enjoys spending time with his family, riding his motorcycle with a volunteer organization, and going fishing.
Bob Letke
MA LPC Associate, LCDC, EMDR Trained
Stefanie Litwiller | Human Resources Director, MSHRD, SPHR
Stefanie holds a Bachelor’s degree in Sociology and Psychology, and a Master’s degree in Human Resources Development. Stefanie has been in Human Resources for over two decades, primarily within the behavioral health and patient financial services industries. Stefanie’s background includes employee relations, employment law, developing policy and process, analytics, compliance in both human resources and healthcare regulation, quality assurance, and training & development. Stefanie has built HR departments from the ground-up, served on the implementation teams for mergers, and grew an organization from 35 employees to 300 employees in eighteen months. She is passionate about employee development and creating environments for employees to thrive and grow.Stefanie Litwiller
MSHRD, SPHR
Donna French | Director of Finance
Donna has been in the accounting field for 38 years. Industries include, CPA firms, Aviation, Resorts and most recently an outpatient mental health facility. Donna expresses that the transition into the mental health industry has been a most rewarding experience. “If just one person benefits and is able to turn their life around, I feel like I’ve helped make a difference.” Donna is honored to be working for an organization whose focus is on the whole person and not just a label or diagnosis. Facilitating positive outcomes by ensuring all financial details are handled in a swift and loving manner is paramount to Donna’s work. She believes her experience along with her passion for people and recovery makes Origins a perfect fit.Donna French
Mandy Baker | Vice President of Texas Operations, MS, LCDC
Amanda K. (Mandy) Baker, MS, LCDC is currently the Founder and operator of Mandy Baker Consulting, LLC. She holds a Master of Science in Human Development from Texas Tech University, which she received in December of 2006. Additionally, Mandy holds graduate certificates in Adolescent Development and women’s studies. Prior to her career in the treatment industry, Ms. Baker was the Associate Director for Grants and Special Projects at the nationally recognized Center for the Study of Addiction and Recovery (CSAR), where she worked as the lead project manager for the CSAR’s efforts to implement recovery support systems at institutions of higher education across the nation. Her deep understanding and study of the 18-27-year-old demographic has resulted in numerous publications in academic journals, books, curricula, and popular press outlets.Prior to starting her own company, Mandy served as the CEO and Chief Clinical Officer of BRC Recovery, the CEO of The Ranch at Dove Tree, the Vice President of Clinical Services at Origins Recovery Centers, and the Co-Founder and Clinical Director of Windhaven Counseling Center and its women’s only IOP. She is passionate about the unique issues of women, particularly those in recovery, and applies this passion in all that she does She has served on boards supporting the academic advancement of women including the Margaret Talkington School for Young Women Leaders.
Mandy has dedicated her career to helping individuals and families impacted by addictive illness and is a passionate advocate for the mental healthcare of Veterans. She is committed to providing accessible care, to developing creative partnerships that improve continuums of care, and to researching, developing, and implementing novel treatment approaches in the addiction and mental health treatment space.
Mandy Baker
MS, LCDC
Dan Gilmer | Director of Clinical Outreach
Dan is from Baton Rouge, Louisiana he attended Louisiana State University and has been working in the Substance Abuse and Mental Health Industry since he got sober at the age of twenty. Having various different roles in that time doing admissions, case management, outreach and owning Sober Living Homes he has a vast knowledge of varying levels of care. It is his passion to help others that are suffering to achieve Recovery.Dan Gilmer
Erik Jokinen | Director of Admissions
Bio coming soon …Erik Jokinen
Joan Hovland | Primary Counselor at Hannah’s House, MSW, LCSW, LCDC
Joan has worked in this profession for more than 30 years. She holds a Master of Science in Social Work and is a Licensed Clinical Social Worker (LCSW), Licensed Chemical Dependency Counselor (LCDC) in the state of Texas. She is passionate about helping her clients make the changes that are necessary to being successful in recovery.She is dedicated to providing professional and compassionate clinical services, using a variety of therapeutic models. She is trained in Eye Movement Desensitization Reprocessing (EMDR) and certified in treating complex trauma using Emotional Transformation Therapy (ETT). In addition, she uses Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), Solution-Focused Therapy, and Motivational Interviewing. These approaches allow her to tailor treatment plans that are both comprehensive and personalized in addressing the unique needs of the clients she serves.
Joan Hovland
MSW, LCSW, LCDC
Bianca Elizondo | Human Resources Manager
Bianca commenced her journey at Origins in 2013 as an Executive Assistant, swiftly advancing to the role of Family Coordinator before uncovering her passion for Human Resources. Driven by a desire to positively influence people’s lives, Bianca recognized early on that her background in communication and public relations could significantly contribute to this field. Her diverse experience includes managing community relations for political action committees and campaigns, where she oversaw events and advertising production, honing her ability to foster mutually beneficial relationships.Transitioning into Human Resources has provided Bianca with a profoundly fulfilling opportunity to continue delivering exceptional service to her team and community. Renowned for her patience and attentive listening, she excels in understanding and meeting the needs of others, consistently making a positive impact on those around her and fostering environments where team members thrive.
Bianca Elizondo
Stacy Conley | Compliance Coordinator
Stacy attended college at Texas Tech University, Lubbock, Texas. Stacy’s passion for working with others and her focus on detail has allowed her to excel in her current position. She previously served as the Executive Assistant at Origins Behavioral Healthcare and was promoted to the Compliance Department in January 2022. Stacy enjoys spending time with her husband, three adult children and her grand “fur” babies.Stacy Conley
Alexandra Brotzman | Family Nurse Practitioner, FNP-C, PMHNP-BC
As an Advanced Practice Registered Nurse with extensive experience in dual diagnoses associated with substance use and psychiatric medicine, Alexandra Brotzman has been part of the Origins family since 2011.She initially served as a Nurse Manager prior to assuming her current role in 2015 as Family Nurse Practitioner in residential care. She provides a broad range of advanced practice nursing services including holistic evaluation, diagnosis, and management of both acute and chronic medical conditions and says its especially rewarding to see the entire process of change occur in our patients from admission to discharge.
In 2020, Alexandra returned to school and is now board certified as a Psychiatric and Mental Health Nurse Practitioner. She’s an active member of the American Association of Nurse Practitioners, the Mayflower Society, and Daughters of the American Revolution. Outside of work she stays busy with offshore fishing tournaments and traveling as much as possible.
Alexandra Brotzman
FNP-C, PMHNP-BC
