Executive leadership team
Kelli O’Toole

Kelli O’Toole

chief executive officer

Kelli O’Toole joined the Opportunity Tree as CEO in May of 2017.  She has a diverse background in finance and non-profit leadership.  Kelli is a passionate leader with success in organizational transformation based on data and outcomes.

Kelli began her non-profit career at Central Arizona Shelter Services in the finance department.  In 2009 Kelli moved over to STARS (Scottsdale Training and Rehabilitation Services) and served as their COO.  While at STARS Kelli realized her true passion in the non-profit field was supporting and working with individuals with intellectual and developmental disabilities.  Kelli leads The Opportunity Tree team in providing high quality, person-centered supports that focus on long-term sustainability and innovation.  In addition to her role at The Opportunity Tree, Kelli also serves on the board of the Arizona chapter of The Association for People Supporting Employment First, is an AAPPD (Arizona Association of Providers for People with Disabilties) Executive Committee Member and is a graduate of Valley Leadership – Class 41.

Kelli earned her Bachelor’s degree in accounting and a Master’s degree in Non-Profit Leadership. In her free time, she enjoys her family, traveling, cooking and eating.


Rachel Johnson

Rachel Johnson

chief financial officer

Rachel Johnson, the CFO at The Opportunity Tree in Phoenix provides oversight and management of the financial operation for the organization.

Rachel has specialized in non-profit accounting and management since 2005, having spent 9 years working with organizations serving people experiencing homelessness and 4 years with arts and education organizations.

In addition to her work at The Opportunity Tree, Rachel enjoys working with small non-profits during their financial startup to ensure their future success.

Neal Hallihan

Neal Hallihan

chief operating officer

Neal Hallihan began his service at The Opportunity Tree in 2019 as the Employment Services and Youth Transitions Program Manager and was quickly promoted to the Director of Operations.  Neal has over 15 years of experience working with people of all ability levels in various capacities including; employment, inclusion and instruction services.

Neal’s most rewarding experience has been the opportunity to be a part of a social movement that inspires our world to operate with acceptance and no limitations.

Neal holds a Master’s degree from ASU in Social Justice and Human Rights, Non-Profit Organizational Leadership.

Alex Cappellini
Alex Cappellini

director of operations

Alex brings over 10 years of Operational Management experience to The Opportunity Tree.
This includes experience across many different industries, including both For-profit & Non-profits at various scales.
He started at The Opportunity Tree in 2019. He is proud to be one of the original coaches of The Tree’s Special Olympics team. 
Sabrina Forrest
Sabrina Forrest

Assistant Director - casa grande campus

Sabrina Forrest has been a member of The Opportunity Tree team since 2015 and currently serves as the Assistant Director of both our Casa Grande site and Community Living settings.

Sabrina started working with people with intellectual and developmental disabilities in 1993 in New York State as a Direct Care Counselor.


Nicole Macko-RanAllo
Nicole Macko-RanAllo

Director of Community Living

Nicole joined The Opportunity Tree in June 2022 and currently serves as the Program Director of Community Living. Nicole joined The Opportunity Tree with 15 years of experience in the ID/DDD field.  Having developed in the field from DSP to Director, Nicole prides herself on “Having done the job”.    

The belief that quality services start with quality staff is the cornerstone to Nicole’s practice in the ID/DDD field.  In her career Nicole has certified over 2,000 DCW and has over 7,000 hours of facilitation and leadership development.  Nicole is a Lead Instructor for Article 9 and Prevention and Support, holds affiliations or accreditations with the National Task Group (Dementia Capable Care), Wiley DiSC, Be Safe (Police & Member training).   

Pursuing her passion, Nicole presented an original leadership training program at 2014 Arizona SSCIP Conference, lead and original “Working with Children with Autism” seminar at the 2016 After School Conference.  Nicole served as Chair in the DCW Alliance 2019-2022, co-chair of the I-AADAP Communication and Policy Committee 2019-2022. 


Our Locations


3146 E. Windsor Ave.

Phoenix, AZ 85008

Casa Grande

209 W. 1st St.

Casa Grande, AZ 85122


328 W. Western Ave.

Avondale, AZ 85323


19756 North Maricopa Rd.

Suites #108 & 109

Maricopa, AZ 85139

Campus Hours: 

Monday - Friday - 8 AM - 6 PM

The Opportunity Tree is closed on federal holidays. 

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