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ABA Therapist Cover Letter Example

A complete ABA therapist cover letter built on caseload size and one data-backed behavior change. Edit it here or ask Guul to rewrite it from your own sessions.

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The ABA therapist cover letter, editable

Cameron Wilson
ABA Therapist, RBT Certified
Tulsa, OKcameron.wilson@example.com(918) 555-0114

October 17, 2026

Clinical Director
[Autism therapy center name]
[City, State]

Dear [Hiring manager's name],

I currently run six one-on-one ABA sessions a week for children ages three to nine, blending discrete-trial teaching with natural environment training across home and clinic visits. I want to bring that caseload to [Autism therapy center name] because your program keeps a therapist assigned to the same two or three families long enough to see real skill gains, instead of rotating us through a new case every few weeks.

Data drives every session I run. Last year I helped a five-year-old client cut self-injurious behavior from 18 incidents a week to 2 by pairing functional communication training with a modified extinction procedure, a plan the supervising BCBA now uses as a training example for new hires. Across my current caseload I log more than 30 hours of direct service weekly and closed out 82% of quarterly mastery goals on schedule, well above the 65% target our clinic tracks.

I hold an active RBT credential and log every session in CentralReach under BCBA-written programs, tracking frequency, duration and interval data the way each protocol specifies. I run parent training for three families monthly, translating clinical goals into routines they can hold at home, and I completed Safety-Care crisis-prevention training last spring. When a program plateaus, I flag it at supervision instead of running a stalled protocol for another month.

I would welcome the chance to talk with your clinical team about an opening at [Autism therapy center name], including how my data habits and parent-training routine would fit your current caseload. I can share redacted session graphs on request and I am available for an in-person observation or interview at your convenience. Thank you for considering my application.

Best regards,

Cameron Wilson, RBT

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Why this letter works

  1. Paragraph 1

    Names the caseload, not just the passion

    Clinical directors staff by caseload size and session mix. Stating the exact number of clients and the teaching methods used tells them capacity and skill level before they open the resume.

  2. Paragraph 2

    One case, told with real numbers

    An 18-to-2 frequency drop is specific enough to defend in supervision. It shows clinical reasoning, not just enthusiasm for the client population, which is what BCBAs actually screen for.

  3. Paragraph 3

    Shows the credential doing work

    Naming CentralReach and Safety-Care by name, then describing how data changes a decision, proves the RBT credential is active practice, not a certificate stored in a drawer.

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Questions about ABA therapist cover letters

Do I need to mention my RBT certification in an ABA therapist cover letter?

Yes, state it in the first paragraph or your header. Clinical directors and BCBAs need to confirm you are certified to deliver ABA therapy before they read further, and naming it up front saves them a search through your resume.

How do I describe client progress without breaking confidentiality?

Keep identifying details out of it. Describe the behavior, the intervention and the measured change in general terms, such as age range and session type, the way clinical notes do, and offer to share redacted data graphs during an interview instead.

Can I switch into ABA therapy from a caregiving job with no direct RBT experience?

Yes. Lead with your RBT training hours and any classroom, childcare or direct-support experience, then name a specific behavior-reduction or skill-building concept you learned during coursework to show you understand the clinical model, not just the caregiving side.

Should an ABA therapist cover letter mention specific therapy hours or caseload size?

Yes, weekly direct-service hours and caseload size tell a clinical director your capacity immediately. Pair that with one measurable outcome, such as a skill mastered or a behavior reduced, rather than a general statement about caring for clients.

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