Cision Ltd. is a public relations and earned media software company and services provider. Cision has no self-service opt-out form on this page; requests go to Privacy@cision.com (or the privacy toll-free line 877-297-8921). The notice also references a "Data Subject Request" process and separate pages for journalists ("Remove Media Profile") if you're in their media contacts database rather than a customer. No response timeline is stated, so assume the standard statutory window.