I am working as Dev team lead for an US based Organization.The requirements for the project has been written but those have many gaps. And also due to some Organization level decisions the requirements under gone changes and impact of those changes are discussed and not properly documented. Hence my manager gave the responsibility of getting Clarity to the requirements, document those clarifications and help the developers to implement right things .Hence I form a list of questions and send those questions to team who wrote the requirements and project manager setup a daily meeting to discuss those questions on priority basis. After the discussion I am documenting those clarifications in a mail and sending requirement authors for confirmation. This is the process that I have been asked to follow by my manager(Boss).
But as team analyzing requirements they come up with more questions. But the requirement authoring team lead is not very comfortable with these questions and the process that we are following and making complaints to Project manager and my boss. Though they(My boss and PM) know that there is some problem with requirements authoring team, they instructed me play diplomatically and handle him make things went smoothly. Hence I went to him personally and appreciated his help and apologized if I caused any uncomfortable and asked his suggestions, how can I make the things amicable. First time he made suggestions and I have explained what kind of problems can occur with only depending on the process that he suggests and why we are following the current and how the current process helps the over all goal. But I also ensure that I will try to consider his suggestions as well. I sincerely implemented his suggestions to a certain extent where ever I can apply. But still I heard from PM that he has some concerns and complaints about myself. I don’t know how to make him feel good about me and make him not feel offend or feel bad about my questions
Hence my question is, How to deal with requirements author team lead without feel offend and feel comfortable?