Build a career,
not just a job.
Cornerstone develops disciplined, performance-driven professionals. Every role is a real growth path — earned through execution, not entitlement.
Open Roles.
Entry-Level Event Sales Associate
Represent nonprofit organizations through live, face-to-face campaigns across New York City. Build communication, sales, teamwork, and leadership skills with hands-on training and mentorship.
- Entry-Level
- Nonprofit-Focused
- Weekly Pay
Brand Ambassador / Sales Representative
Join our team to represent nonprofit and charitable campaigns through face-to-face outreach. Build genuine connections, communicate mission and impact, and develop practical experience in sales, communication, and customer engagement.
- Entry-Level
- Face-to-Face
- Paid Training
Junior Marketing Trainee – Entry Level
Start your marketing and sales journey with hands-on customer engagement, structured training, and real campaign experience across New York City.
- Entry-Level
- Marketing
- Paid Training
Sports-Minded Sales & Marketing
Competitive, team-driven, in-person sales and marketing in New York City. Hands-on training, daily coaching, and real responsibility — no previous sales experience required.
- Entry-Level
- In-Person NYC
- Training Provided
Talk with our hiring team this week.
Not sure which role fits? Book a quick conversation with a member of our team. We'll walk you through open opportunities, answer your questions, and help you find the right place to start.
Open office hours
Schedule a 15-minute call with our hiring team this week. No resume required — just bring your questions and curiosity.
- Learn about entry-level and leadership tracks
- Ask about training, pay, and growth timelines
- Get matched to a role that fits your goals
In Their Words.
The people who built their careers here — in their own voice.
"I grew here by leading with example. The more I focused on helping the person next to me, the more naturally I stepped into leadership myself."
"I stepped completely out of my comfort zone. The hands-on training sharpened my communication until it became second nature — that's how I became a Sales Team Lead."
"Fitting in was effortless. Everyone here lends a hand — they didn't just show me how to succeed, they showed me how to pass the torch to whoever comes next."
Ready to Apply?
Send your resume and a note about the role you're interested in. We review every application personally.
Start Your Application