Dear NAME ,
I would like to take the time to introduce myself as your new Account Manager. I am looking forward to working with you and cannot wait to help you get the most out of our program.
I have worked closely with Previous AC name and he/she has walked me through your account and familiarized me with your company’s digital marketing goals and strategies.
I would love to have an introductory call with you so we can discuss how I can help your company further. Please let me know when is best for you./Would you have any time on insert date?
If you have any questions, you can always call me at insert number or send me an email.
Best Regards,