Manager of Membership Development

Posted: 10/26/2025

Wilmington, DE 
 
Full-Time 
Hybrid Work Model 
Reports to: Senior Director of Emerging Enterprise & Development 
 
Are you a motivated relationship-builder with a passion for helping businesses grow? 

The New Castle County Chamber of Commerce (NCCCC) is seeking a Manager of Membership Development to lead new member sales, engagement, and retention. This role drives one of the Chamber’s most important goals — growing and strengthening our vibrant network of over 1,000 businesses across Delaware. 
 
As a key member of our business development team, you’ll identify and recruit prospective members, support current members, and help businesses connect with the Chamber’s full range of programs — from advocacy and networking to our Emerging Enterprise Center (EEC) incubator for startups and small businesses. 
 
What You’ll Do: 
  • Lead membership sales efforts and meet growth goals.
  • Build relationships with prospective and current members to ensure engagement and satisfaction. 
  • Collaborate with the Chamber team on events, programs, and sponsorship opportunities. 
  • Support the Chamber’s Emerging Enterprise Center’s initiatives and clients. 
  • Represent the Chamber at business events, resource groups, and community functions.   
What We’re Looking For: 
  • 3–5 years of successful experience in sales, business development, or membership growth. 
  • A self-starter whose goal-driven, people-oriented, and passionate about supporting local businesses. 
  • Excellent communication and relationship-building skills; CRM experience preferred. 
  • Knowledge of Delaware’s business community or experience working with small businesses/startups is a plus. 
Compensation: 
  • Base Salary: $35,000 - $45,000 annually
  • On-Target Earnings (OTE): $63,800 - $73,800 annually 
  • Commission: Commission is paid monthly based on a percentage of sales. Earning potential can exceed OTE for high performers.   
Featured Benefits: 
Medical insurance, 401(k), Disability insurance 
 
Why Join Us: 
This is your opportunity to make a tangible impact on Delaware’s business community while working with a collaborative, mission-driven team. The Chamber offers a dynamic environment, growth opportunities, and the ability to help shape the region’s economic success. 
 
To Apply:Please submit your resume and cover letter to murabitod@ncccc.com.