781 864 0180 [email protected]


Schedule Your Sessions with Rebecca Shafir

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CORE Four Executive Function Coaching & Training

for those with ADD/ADHD, Attention Deficit Traits, Executive Functioning difficulties or any self-starter wanting to be more productive and efficient. 

I have over 25 years of experience helping business people and entrepreneurs with ADD/ADHD move forward with their projects.

The CORE Four method trains the four skills and routines needed to excel as  a business professional or entrepreneur:

  • Emotional flexibility
  • Focus and Follow Through
  • Communication Competence
  • SharkReadiness (presentation skills)

We start with a 90 minute interview (in person or via Skype) and build a customized plan designed with your personal objectives in mind. Sessions are scheduled as needed. Sessions range from 15 minute check in sessions to 60 minute working sessions.

Your objectives may include:

  • Managing procrastination
  • Emotional self-regulation
  • Improving attention, focus, learning and memory
  • Organization
  • Time management
  • Planning and prioritizing activities
  • Getting started and following through
  • Mindful Listening
  • Speaking with Power and Persuasion

Sessions are offered in person at the Hallowell Center in Sudbury, MA or in West Newbury, MA, by phone or Skype.  Call (978) 255-1817 or Contact Rebecca  for a complimentary inquiry or call to learn more about The Core Four approach.

CORE Four Reviews

Still rocking it despite Covid!! Keeping up with my calendar, sleep, planning, etc. So organized at work. I even handled another run-in with the team leader who over-stepped her boundaries. It’s a great feeling to have this kind of control. Thank you Rebecca. 

Pam  N.
Scranton, PA

CORE Four Reviews

We’ve scored with your CoreCoaching! The team is producing great results even with the recent challenges (Covid). Establishing trust early in the year allowed us to work remotely together. Thanks for your hard work in keeping us strong and COREageous.

Matt G.
Columbus, OH

Key Take Aways:

  • which mental and physical exercises to use to best reveal your best vocal image
  • what verbal and non-verbal dynamics best augment your style and personality and which to do away with
  • Specific ways to practice these techniques and how burn them into muscle memory

Speaking with Power and Persuasion: Voice Coaching

Your voice speaks volumes about you, more than what you have to say. In 8 seconds or less your average prospect will determine whether or not you are worthy of their continued attention and investment. The essence of trust, motivation, persuasion and passion are carried by the sound of your voice, the clarity of your speech and how you move.

Why sabotage yourself, your product or your brand with a lackluster delivery? Rebecca will teach you or your group the techniques used by political candidates, radio/TV personalities and the top sales pros in the country.

Here’s how it works:

There is a range of customized approaches. For example, each student can obtain a personal baseline assessment (see below). Coaching is interactive in a lecture/demonstration/application format. Each student gets one-on-one coaching in front of the other class members or in private. Sessions can range from 2 – 4 hour sessions with a follow session for maximum benefit. Fees are based on the size of the group and services requested.


  1. Baseline session – assesses one’s current level of presentation skill, identifies personal objectives, and analyzes audience feedback, review of videos (if available), a baseline recording and voice analysis.
  2. Coaching sessions (in person, by phone or Skype) per hour 1-2 times a week or once every other week depending on deadlines for improvement. Consistency is key! The average numbers of sessions are 4-8.


  • Planning and prioritizing activities
  • Getting started and following through
  • Mindful Listening
  • Speaking with Power and Persuasion
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