Jack Rubenstein
Baltimore,Maryland
Summary
Dynamic entrepreneur with a proven track record in marketing and operations management, having founded Nextlete to empower athletes through innovative NIL partnerships. Skilled in revenue development and business valuation, I successfully led a cross-functional team and secured strategic partnerships, positioning the company as a leader in the emerging market. Fot the Wharton Essentials of Finance Global Youth Program, I gained a strong foundation in core financial concepts including valuation, capital markets, and risk analysis. I engaged in many real-world case studies that sharpened my problem-solving, critical thinking, and financial modeling skills. I Collaborated with peers from around the world, strengthening my communication and leadership abilities in a fast-paced, team-oriented environment.
Overview
3
3
years of professional experience
Work History
Founder
Nextlete
06.2025 - Current
- Founded and lead a dynamic startup focused on facilitating NIL (Name, Image, Likeness) partnerships between high school and college athletes and local businesses, fostering mutually beneficial brand collaborations.
- Developed the business model, go-to-market strategy, and product roadmap, including a mobile and web platform that streamlines athlete-business matchmaking.
- Built and managed partnerships with local businesses, athletic programs, and legal advisors to ensure compliant and impactful sponsorship deals.
- Oversaw all aspects of operations, including marketing, user acquisition, platform development, legal compliance, and customer success.
- Conducted market research, user interviews, and pilot programs to validate demand and optimize platform functionality.
- Spearheaded fundraising, investor outreach, and pitch development to secure early-stage support and strategic partnerships.
- Recruited and led a cross-functional team of developers, marketers, and advisors to scale operations and product features.
- Positioned the company as a first-mover in the emerging high school NIL space, with a focus on ethical branding, community engagement, and athlete empowerment.
Portfolio Manager
London-Ruben Capital Fund
05.2025 - Current
- Developed rebalancing strategies to minimize risk exposures.
- Communicated market developments, portfolio changes and annual performance information to clients.
- Facilitated portfolio performance review and implemented new strategies.
- Created and managed financial models to evaluate corporate investments and acquisitions.
Busser
La Food Marketa
03.2022 - 07.2025
- Trained new staff in bussing and cleaning procedures.
- Delivered smooth and timely service to customers by offering additional silverware, extra napkins, and cleaning spills.
- Worked well in diverse team settings by partnering with others to complete tasks.
- Worked quickly, communicated with other staff and always looked for better ways of completing tasks to improve productivity and keep tables ready for incoming guests.
Education
Boys Latin School of Maryland
Baltimore, MD06-2026
No Degree - Finance
Upenn Wharton Global Youth Program
Penn, PA07-2025
Skills
- Marketing
- Revenue development
- Consulting
- Operations management
- Mergers and acquisitions
- Financial statement analysis
- Due diligence
- Investment analysis
- Business valuation
Timeline
Founder
Nextlete
06.2025 - Current
Portfolio Manager
London-Ruben Capital Fund
05.2025 - Current
Busser
La Food Marketa
03.2022 - 07.2025
Boys Latin School of Maryland
No Degree - Finance
Upenn Wharton Global Youth Program
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