OP, a few things I want to say first before I get to the heart of my post. First I want to congratulate you on hiring a stammer. Secondly in reaching out to not only to educate yourself on how to work with someone who has a stammer. Finally, to pass on the education that you have learned onto your fellow colleagues as well. As a person who stammers it makes me extremely happy seeing a company that sees past a prospective employee stammer and hiring them for what they can bring to the company. By you reaching out to educate your company on how to make your new colleague transition into their new role at your company much easier. The only few things I would add when dealing with a person who is a stammer are the following: Please do not finish her sentences when she is blocking. Give her as much time as she needs to finish her thought. I know it is human compassion to help some who are in distress. But in my opinion psychologically what you are doing is saying that you do not value them as a person because of their stammer. We stammers just want to be treated equally. My next suggestion is do not rush a person who is a stammer. Give them all the time she needs to speak. Especially when she is going to be starting her new job and meeting her new colleagues. She will be scared, and hesitant at the beginning to open up. She will be blocking more than she normally does. It is a new environment for her. Why you may ask? Stammering is a hidden disability. Not like Down syndrome or a person in a wheelchair (examples) were those visual. The only time you know we have a disability is when we start to speak. We stutters when a person has never been in contact with a stammer may think that the stammer are dumb, when they hear us speak. WE STAMMERS ARE NOT DUMB! There are very famous and smart people throughout history who were stammers. Albert Einstein a famous GERMAN scientist. Actor James Earl Jones the voice of Darth Vader of the Star Wars movie series. A very well known German TV presenter, Dieter Thomas Heck. My final suggestion OP, is to express to your colleagues that this new hire was hired because of her knowledge, expertise, and what she can offer to the company. The fact that she has a stammer does not play a role here. OP, here are groups that will help you educate yourself and the company with a colleague that stammers: The National Stuttering Association - NSA (https://www.westutter.org) International Stuttering Awareness (https://www.isastutter.org) British Stammering Association - BSA (https://stamma.org) OP, these three websites I provided in this post offer a lot of information about interacting with a person who stammers. If I was onboarding a new hire I would have a company wide meeting going over the materials from these websites BEFORE she starts at the company. The more education people that are not stammers learn about people who are stammers will make the world and the workplace a better place. OP again you have made a great decision to have hired her. She will be a massive asset to your company and will represent your company well into the future.