Our Team

The BY YOUR SIDE – Autism Therapy Services (BYS) team consists of a multidisciplinary group of Board Certified Behavior Analysts, Applied Behavior Analysts, Speech-Language Pathologists, Occupational therapists, and support staff with expertise in the four hallmark characteristics of autism; communication, social interactions, maladaptive behaviors, and sensory.

Directors

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Marilyn Deutmeyer, SLP

Director of Speech Therapy

Laura

Laura Anne Mahlmeister, BCBA

Director of ABA Development

Katurri_2

Katurri Phillips, BCBA

Director of  ABA Therapy – North

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Melanie Rickert, BCBA

Director of ABA Therapy – South

Center Leads – ABA Therapy

Lori Baffi(1)

Lori Baffi, BCBA

ABA Center Lead – Tinley Park

Laura C

Laura Corrado, BCBA

ABA Center Lead – Schaumburg

Lisa-D

Lisa Davies

ABA Center Lead – Morton Grove

Melissa Liautaud

Melissa Liautaud, BCBA

Lead Development – Schaumburg

Center Leads – Speech Therapy

Natalie-H(1)

Natalie Halm
Manager of Speech – South

jana kohn

Jana Kohn
SLP Center Lead – Morton Grove

Kat

Kathryn Neenan
Lead Speech-Language Development

Brittany-Nolan-SLP-Schaumburg-e1467750785112 (11)

Brittany Nolan, SLP
Manager of Speech – North

Center Leads – Occupational Therapy

Kate

Kate Gilman, OT
OT Center Lead
Schaumburg

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Joseph Hill, OT
Senior Manger – OT

Tinley Park Center Lead

Lori Baffi(1)

Lori Baffi 
ABA Center Lead – Tinley Park

ABA Services (Applied Behavioral Analysis)

Andrea Brice

Andrea Brice
ABA Therapist

Aja Curry

Aja Curry
ABA Therapist

TaylorDonnelly

Taylor Donnelly
Lead Registered Behavior Technician

Kelly erdmann

Kelly Erdmann
ABA Therapist

AlyssaE

Alyssa Espinoza
Behavior Specialist

KAleaK

Kalea Kermer
ABA Therapist

Anne-K-300x300

Anna Kulesza
Lead Registered Behavior Technician

Emma Lukis

Emma Lukis
Registered Behavior Technician 

Karen Marcus

Karen Marcus
ABA Therapist

Karina M

Karina Martinez
Registered Behavior Technician

Elizabeth McKernan

Elizabeth McKernan
ABA Therapist 

Juan Mercado

Juan Mercado
ABA Therapist

Elizabeth Nejdl

Elizabeth Nejdl
ABA Therapist 

Kaidy Read

Kaidy Read
ABA Therapist

Kara Steiskal

Kara Steiskal
Registered Behavior Technician 

Deja Thomas

Deja Thomas
ABA Therapist

Leslie-Walk

Leslie Walk
Registered Behavior Technician 

Occupational Therapy Services

Katie Donahue

Katie Donahue
Occupational Therapist

Speech Language Services

Nora Clisham

Nora Clisham
Speech-Language Pathologist 

Morton Grove Center Leads

Lisa-D

Lisa Davies
ABA Center Lead – Morton Grove

jana kohn

Jana Kohn
SLP Center Lead – Morton Grove

Kat

Kathryn Neenan
Speech-Language Development Lead

ABA Services (Applied Behavioral Analysis):

Lynda Arredondo

Lynda Arredondo
ABA Therapist

Onella Athnaiel

Onella Athnaiel
ABA Therapist

anjali

Anjali Chadwick
ABA Therapist

Susanna deschamps

Susana Deschamps
ABA Therapist

Laurina fontana

Laurina Fontana
ABA Therapist

Joanie-Giacobbe

Joanie Giacobbe
Lead RBT

Rosemary-G(1)

Rosie Griendling
RBT Center Float

Nilofer kazmi

Nilofer Kazmi
ABA Therapist

Abby Maas

Abby Maas
ABA Therapist

jessie ohara

Jessie O’Hara
ABA Therapist

Priya patel

Priya Patel
ABA Therapist

Adrien Phipps

Adrien Phipps
ABA Therapist

Shaye-T2

Mishe’Aleigh Thompson
Lead Registered Behavior Technician

Tiya tito

Tiya Tito
ABA Therapist

jamie tivers

Jamie Tivers
ABA Therapist

breya whitefield

Breya Whitefield
ABA Therapist 

Phoebe yang

Phoebe Yang
ABA Therapist

Occupational Therapy Services

Speech Language Services

Schaumburg Center Leads

Laura C

Laura Corrado
ABA Center Lead – Schaumburg

Kate

Kate Gilman
OT Center Lead – Schaumburg

Melissa-Liautaud

Melissa Liautaud
Lead Development – Schaumburg

Brittany-Nolan-SLP-Schaumburg-e1467750785112 (2)

Brittany Nolan
Manager of Speech – North

ABA Services (Applied Behavioral Analysis):

lauryn-aber

 Lauryn Aber
BCBA

adi bates

Adi Bates
ABA Therapist 

angela brancato

Angela Brancato
ABA Therapist

olivia-d

Olivia Desimone
ABA Therapist

Kristina-B

Kristina Doyle
ABA Therapist

Meghan Duggan

Meghan Duggan
Registered Behavior Technician

Kim Erickson

Kim Erickson
ABA Therapist

Grace Fey

Grace Fey
ABA Therapist

Brittany-F

Brittany Frachello
ABA Therapist

Paige

Paige Gulbrandsen
ABA Therapist

Ashley H

Ashley Holdmann
Registered Behavior Technician

matt-holzkamp

Matt Holzkamp
Registered Behavior Technician

Smitha James

Smitha James
ABA Therapist

Kendra-Kopacek

Kendra Kopacek
Registered Behavior Technician 

Kasey

Kasey Kramer
ABA Therapist

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Jaclyn Lach
Lead RBT

Joanna Magdaleno

Joanna Magdaleno
ABA Therapist

Michelle Meggs

Michelle Meggs
ABA Therapist

Thanh Lan

Thanh – Lan Nguyen
ABA Therapist

Kayla Negron

Kayla Negron
ABA Therapist

Brittany Papa

Brittany Papa
ABA Therapist 

Lauren

Lauren Pierce
Lead Registered Behavior Technician

Alyssa Razo

Alyssa Razo
ABA Therapist

Sarah R

Sarah Richter
ABA Therapist

Bethany Schiavone

Bethany Schiavone
ABA Therapist

Kelly Showalter

Kelly Showalter
ABA Therapist

Madison S

Madison Smith
ABA Therapist

Theres Snow

Therese Snow
ABA Therapist

Jacqueline Thielman

Jacqueline Thielman
ABA Therapist 

Erica T

Erica Toth
ABA Therapist

Aislin Woell

Aislin Woell
ABA Therapist

sarah-woods(1)

 Sarah Woods
ABA Therapist

MeganZbinden

Megan Zbinden
ABA Therapist

Speech Language Services

Elise F

Elise Freemon
Speech-Language Pathologist

StephanieSorensen

Stephanie Sorensen
Speech-Language Pathologist

Occupational Therapy Services

Olivia B

Olivia Alde
Occupational Therapist

colleenhourihan

Colleen Hourihan
Occupational Therapist

Burr Ridge Center Leads

Joseph Hill

Joseph Hill
Sr. Manager of OT

Natalie-H(1)

Natalie Halm
Manager of Speech – South 

ABA Services (Applied Behavioral Analysis)

Carlotta

Carlotta Abogado
ABA Therapist

Dina A

Dina Andriopoulos
ABA Therapist

Shannon Anselmo

Shannon Anselmo
ABA Therapist

Katie Backman

Katie Backman
ABA Therapist

Teresa Bates

Teresa Bates
ABA Therapist

Meghan Bonfield

Meghan Bonfield
ABA Therapist

Natalia-B

Natalia Bukowski
Registered Behavior Technician

Patrick B

Patrick Bruen
ABA Therapist

Chrissy

Chrissy Canady
ABA Therapist

Nick Caruso

Nick Caruso
ABA Therapist

Sophia

Sophia Cingle
ABA Therapist

amanda

Amanda Cole
RBT Lead

brittni craft

Brittni Craft
ABA Therapist

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Xia Cushingberry
ABA Therapist

Laurie Denning

Laurie Denning
Registered Behavior Technician 

Kim-Forst

Kimberly Forst
Registered Behavior Technician

Samantha-Freiberg

Samantha Freiberg
Lead Registered Behavior Technician

ColleenG

Colleen Gajewski
Behavior Specialist

Stephanie Garcia

Stephanie Garcia
ABA Therapist

Celena G

Celena Gibson
ABA Therapist

Christina-Hyland

Christina Hyland
Registered Behavior Technician – Center Float

Erin jacobsen

Erin Jacobsen
ABA Therapist

Alina Gwin-Johnson

Alina Johnson
ABA Therapist

Alia Kassam

 Alia Kassam
ABA Therapist

Karli-KS

 Karli Knack-Schiavone
Registered Behavior Technician

Brittany-Krucek

Brittany Krucek
ABA Therapist

shelby kuipers

Shelby Kuipers
Behavior Specialist

Alexa langer

Alexa Langer
ABA Therapist

Breanna Lipowski

Bree Lipowski
ABA Therapist

Hannah Long

Hannah Long
ABA Therapist

Taylor-M

Taylor Maloney
Registered Behavior Technician

Caitlin McNamara

Caitlin McNamara
ABA Therapist

Kayla Mochel

Kayla Mochel
ABA Therapist

Emily Moss

Emily Moss
ABA Therapist

Alexandra-Mroz

Alexandra Mroz
Registered Behavior Technician

Lauren Osuch

Lauren Osuch
ABA Therapist

max-p

Max Pena
Lead Registered Behavior Technician

JennyP

Jennifer Pfeiffer
ABA Therapist

Christina Rooney

Christina Rooney
ABA Therapist

Monica S

Monica Smiley
BCBA, LCSW

Hannah Smith

Hannah Smith
ABA Therapist

Noreen Syed

Noreen Syed
Lead Registered Behavior Technician

felicia l

Felicia Tantas
ABA Therapist

f-24-14-10684896_vTrVnFO5_Samantha

Samantha Widdows
ABA Therapist

Speech Language Services

Bansari-A_1

Bansari Amin
Speech Language Pathologist

brittany becvar

Brittany Becvar
Speech Language Pathologist

Emily Mason

Emily Mason
Speech Language Pathologist 

Occupational Therapy Services

Abigail Koning

Abigail Koning
Occupational Therapist

Julia Sant

Julia Sant
Occupational Therapist

Administrative Team

brittneyr

Brittney Ross
Senior Manager Project Implementation & Human Resources

IMG_1795

Sylvia Zygiel
Human Resource Coordinator

Ali

Ali Pisarczyk
Talent Acquisition Specialist

michelleg

Michelle Gutierrez
Sr. Operations Manager

S Hill

Stephanie Hill
Operations Manager – Burr Ridge

MattCnewpic

Matthew Croke
Sr. Manager of Billing and Family Outreach

KathyKozicki(1)

Kathy Kozicki
Billing Manager

April-Pfeiffer(1)

April Pfeiffer
Billing Analyst

Katie K

Katie Karczewski
Billing Analyst

Janet Sandoval

Janet Sandoval
Billing Specialist

LaTonya Townsel

LaTonya Townsel
Billing Specialist

Katrina Bobel

Katrina Bobel
Administrative Specialist –
Tinley Park

Katie Kirwan

Katie Kirwan
Operations Manager – Morton Grove 

Kyrstin-G

Kyrstin Grant
Administrative Specialist – Schaumburg

Annaliese Steudle

Annaliese Steudle
Administrative Specialist – Burr Ridge

Molly Simes

Molly Simes
Operations Manager – Schaumburg

Outreach and Marketing Team

Alison Hoss

Alison Hoss
Manager of Outreach and Business Development