Three good starting points for you:

To connect with corporate communications professionals, check out the 2017 International Association of Business Communicators World Conference in Washington, DC, in June: http://wc.iabc.com/

To connect with CSR professionals, check out the 2017 International Corporate Citizenship Conference in Boston in March: http://ccc.bc.edu/index.cfm?pageId=476

To connect with public relations professionals, check out the Public Relations Society of America 2017 International Conference in Boston in October: http://apps.prsa.org/Conferences/InternationalConference/index.html

Good luck and please let me know if you need more assistance.

Sustainable Brands Conference, SDAMA's Cause Conference, Conscious Capitalism Conference, BSR Conference, Boston College Center for Corporate Citizenship's International Corporate Citizenship Conference, Points of Light’s Conference on Volunteering and Service, Charities@Work.

There are several conferences you can attend.
IPR Bridge Conference: IPR Bridge is the first two-day conference designed for both PR and corporate communications practitioners along with academics.
NAB Show: It is an unrivalled experience for all types of content professionals.
SABRE Awards North America: For 25 years, The SABRE Awards have shined a spotlight on exceptional work that displays the highest levels of strategic planning, creativity, and business results.
Brand Film Festival: This festival brings together a new generation of marketing storytellers with the industry’s leading brands, agencies, and craftspeople, who have paved the path for others.
You can read more here: https://muckrack.com/blog/2020/01/31/public-relations-conferences-and-events-2020
Besides if you do have any questions give me a call: https://clarity.fm/joy-brotonath