Hello Friend, thanks for reaching out here for help. From your brief, I understand stammering is only a recent problem and it is happening due to job stress. Don't worry about this. Job tension is common problem for many of us in this busy lifestyle. No one can escape. All we can do is to accept it and find the smart way to maneuver and move on in life. If you can control your stree, then easily you can overcome this stammering issues. There are various options available for stress management. You can opt for counseling sessions or professional programs or spiritual routine, yoga, meditation etc.
Next Steps
Go for stress management program or consult me online.
Health Tips
To control stammering, Take your time and say the word that you want to say. Don't force words.