• Drive the strategies and plan to identify, cultivate, upgrade, and/or solicit retained and new donors • Serve as the primary relationship manager for a portfolio of approximately 100 current and prospective supporters • Manage and mentor a team of gift officers and associates • In partnership with Advancement Leadership, Major Gifts, and other colleagues, create annual fundraising goals and the strategy for achieving them • Ensure that each supporter and prospect has a clear strategy for cultivation and solicitation leading to upgraded giving over time • Works closely with the research team, local leadership, and other departmental staff to identify prospects and develop strategies for the cultivation and solicitation of philanthropic support • Designs and implements donor outreach efforts to diversify the major donor base • Support leadership engagement as needed to advance relationships and secure new and renewed support • Maintain knowledge and expertise in environmental issues, the Sierra Club's priorities, and concerns to identify and develop funding opportunities