(725) 205-3628 ABA Therapy

Happy Hearts LV

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(725) 205-3628 ABA Therapy


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  • About Us
  • Employment

About Us

Tiffany Finnegan Drews, MS, BCBA, LBA

Dr. Patrick A. Leytham, PhD, BCBA, LBA

Dr. Patrick A. Leytham, PhD, BCBA, LBA

Tiffany graduated from Azusa Pacific University in 2014 with a bachelor’s degree in Human Development. In 2019 she received her Master’s in Behavior Analysis from the University of Cincinnati followed by her BCBA and LBA in 2020.


Tiffany has previously worked in self-contained autism at the high school level as a support staff member and p

Tiffany graduated from Azusa Pacific University in 2014 with a bachelor’s degree in Human Development. In 2019 she received her Master’s in Behavior Analysis from the University of Cincinnati followed by her BCBA and LBA in 2020.


Tiffany has previously worked in self-contained autism at the high school level as a support staff member and provided 1:1 direct services as a RBT in both the home setting and clinic settings in the Las Vegas area.


“My passion for the field of behavior analysis is fueled by serving my families with ethical and compassionate services. I strive to make every learning experience as naturalistic as possible by teaching skills in an environment that naturally promotes opportunities for social interaction and social communication. I believe every child deserves to make friends and to learn how to be a friend.


I love motivating therapists through developing stronger skill sets in order to set them up for success while promoting a positive, team centered work culture. It truly makes my heart happy to see the results in our clients lives when we develop a team that loves what they do and where they do it at. 


I do not believe that a diagnosis defines the children that we serve. The diagnosis is only a starting point of finding where the child is within their world and bridging the gap into bringing them into the world around them by creating functional, purposeful skills that improve their life and the family unit as a whole.”


In her free time Tiffany enjoys camping, fishing, hiking, cooking, and spending time with family.


BACB Certification: 1-20- 44377 

NV ABA Board: LBA0352 social skills 1:1 aba services aba applied behavior analysis

Email Tiffany

Dr. Patrick A. Leytham, PhD, BCBA, LBA

Dr. Patrick A. Leytham, PhD, BCBA, LBA

Dr. Patrick A. Leytham, PhD, BCBA, LBA

Patrick is licensed as a Board Certified Behavior Analyst (BCBA) through the Behavior Analytic Certification Board and a Licensed Behavior Analyst (LBA) through the State of Nevada. He has been practicing within the field of Applied Behavior Analysis as a Registered Behavior Technician (2017 – 2019) and a BCBA (2019 - current). Patrick ea

Patrick is licensed as a Board Certified Behavior Analyst (BCBA) through the Behavior Analytic Certification Board and a Licensed Behavior Analyst (LBA) through the State of Nevada. He has been practicing within the field of Applied Behavior Analysis as a Registered Behavior Technician (2017 – 2019) and a BCBA (2019 - current). Patrick earned a Doctorate of Philosophy in Special Education (2013), focusing his studies on literacy strategies for children diagnosed with Autism Spectrum Disorder.


Patrick is also licensed as a Special Educator (2007 – current), holds an endorsement to teach children with ASD, and has taught exceptional children (i.e., ASD, ID, Down Syndrome, Fetal Alcohol Syndrome, Learning Disability, ADHD, etc.) from early childhood through high school in general education, resource, and self-contained classrooms since 2002. 


From 2011 through 2021, Patrick 

  • taught special education coursework at multiple institutions of higher education (UNLV, CSN, WSU, TUN), 
  • conducted research on children and adolescents with ASD, 
  • published several articles relating to special education, behavior analysis, and teacher education preparation, 
  • presented at local, national, and international conferences, and 
  • engaged in community outreach programs focused on improving the lives of families with exceptional children. 
  • Served as the Secretary/Treasurer for the Nevada Applied Behavior Analysis Board (2021-2022).


BACB Certification: 1-19-36091

NV ABA Board: LBA0253

Email Patrick

Registered Behavior Technicians

Reyna Alvarez-Posligua

Reyna Alvarez-Posligua

Reyna Alvarez-Posligua

  

Registered Behavior Technician 


Full-Time Mom of 3 Boys | Lifelong Learner

🔹 Dedicated Registered Behavior Technician with a passion for positively impacting the lives of individuals with autism and their families since 2019. Experience with in-home, daycare and clinical services.

🔹 Fluent in both English and Spanish.

🔹 Enthusiastic life

  

Registered Behavior Technician 


Full-Time Mom of 3 Boys | Lifelong Learner

🔹 Dedicated Registered Behavior Technician with a passion for positively impacting the lives of individuals with autism and their families since 2019. Experience with in-home, daycare and clinical services.

🔹 Fluent in both English and Spanish.

🔹 Enthusiastic lifelong learner, committed to continuous personal and professional growth. Currently pursuing my bachelor’s degree in psychology in a full-time education institution.

🔹 Balancing the demands of a fulfilling career with the joys and challenges of full-time motherhood, prioritizing the well-being and development of her children.

🔹 Loves to go hiking, cooking, shopping, and traveling while learning about new cultures through their amazing scenery views and tasting the different kinds of foods found in each place.

🔹 As a therapist and a mother of two children diagnosed with autism spectrum disorder, I firmly believe in the potential for growth in every child, regardless of the length of time they have been part of our learning community. I am firmly convinced that each day presents us with a new opportunity to learn from one another, build on strengths, address challenges, and develop new skills. My goal is to establish a safe, inclusive, and supportive environment that nurtures each child's unique potential and empowers them to become lifelong learners. 


Reyna has worked at Happy Hearts LV since July 2023.

BACB Certification:

RBT-19-78347

NV ABA Board:

RBT0343


Autumn Smyth

Reyna Alvarez-Posligua

Reyna Alvarez-Posligua

  

Registered Behavior Technician


Autumn has worked at Happy Hearts LV since August 2024.


BACB Certification: RBT-23-274553    

NV ABA Board: RBT3522    


Bio coming soon!

Adriana Perez Dieguez

Adriana Perez Dieguez

Adriana Perez Dieguez

  

Registered Behavior Technician


Adriana Perez is a highly skilled and licensed Registered Behavior Technician (RBT) with a strong commitment to providing top-quality behavioral therapy services. With licenses since 2021 and ongoing education at the prestigious University of Nevada, Las Vegas (UNLV), Adriana is dedicated to deliver excepti

  

Registered Behavior Technician


Adriana Perez is a highly skilled and licensed Registered Behavior Technician (RBT) with a strong commitment to providing top-quality behavioral therapy services. With licenses since 2021 and ongoing education at the prestigious University of Nevada, Las Vegas (UNLV), Adriana is dedicated to deliver exceptional care and making a positive impact in the field of behavior analysis.

Areas of Expertise:

Adriana specializes in utilizing evidence-based behavioral techniques to assess and treat individuals with developmental disabilities and behavioral challenges. Through individualized treatment plans and ongoing data analysis, she strives to create an environment that fosters growth, learning, and positive behavior change. Adriana has worked with clients at home based, schools based, and clinics and the favorite area on the field of ABA is Functional Communication Training. 

Education and Professional Development:

Commitment to Client Success:

Adriana is passionate about improving the lives of individuals and families she serves. By maintaining open communication with clients and their support systems, she creates a collaborative environment focused on achieving meaningful outcomes. Her empathetic and compassionate approach ensures that clients feel supported and empowered throughout their therapeutic journey. Adriana is fluent in English and Spanish, recognizes the importance of cultural and linguistic considerations in fostering effective communication and she is committed to help the community of Las Vegas. 

Beyond my professional pursuits, I indulge in hobbies such as photography and travel, adding unique perspectives to my holistic approach.

Adriana has worked at Happy Hearts LV since January 2023.


BACB Certification: RBT-21-189899

NV ABA Board: RBT2624

Karli Placek

Adriana Perez Dieguez

Adriana Perez Dieguez

Registered Behavior Technician


Karli has worked at Happy Hearts LV since April 2023.


BACB Certification: RBT-22-211925

NV ABA Board: RBT3453


Bio coming soon!  

1:1 ABA Therapy | Applied Behavior Analysis

Happy Hearts LV

8072 W Sahara Ave, Suite D, Las Vegas, NV 89117 | 1480 E Calvada Blvd Suite 900, Pahrump, NV 89048

Office 725-205-3628 | Fax 702-552-2449

Copyright © 2025 Happy Hearts LV - All Rights Reserved.

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