A "thank you for joining" membership letter should include a personalized greeting to the new member. Use the member's first name in your salutation.Get help drafting the welcome letters to the new members of your nonprofit organization with these two useful writing templates! Here is a template for a new member welcome letter you can tailor for your own association or membershipbased organization. A good welcome letter acts as a travel guidepointing members to key resources, highlighting benefits, and outlining simple next steps. Use these tips and templates to create your own new employee welcome messages, and ensure employees feel comfortable and confident when they join your team. Here are 10 things your welcome letter or email to new members must include plus a template that can be customized for your organization. Here are some readytouse new employee welcome letter templates for you. Get the inspiration you need to find the right words to welcome new church members. Use these five sample speeches to welcome them.