James McCarthy Jr.
Mesa,AZ
Summary
Co-founder of No Doubles Golf Co., an early-stage sports technology startup focused on applying AI, motor learning, and product design to modern golf instruction. Actively involved in product development, curriculum design, marketing execution, and go-to-market strategy, contributing across engineering, UX, and growth initiatives. A hardworking and well-rounded high school senior with a 3.78 GPA and proven leadership as a varsity baseball pitcher in Arizona’s highly competitive 6A division. Known as a disciplined team player who is polite, well-spoken, and respected by coaches, teammates, and teachers, with strong customer service instincts and problem-solving skills.
Overview
9
9
years of professional experience
Work History
Founder
No Doubles Golf Co.
Mesa, Arizona
08.2025 - Current
- Co-founded No Doubles Golf Co., owning product strategy, marketing strategy, UX, and go-to-market execution.
- Built marketing automation, lifecycle funnels, and social media strategy from zero to beta.
- Co-developed the platform and curriculum engine, translating domain expertise into scalable product systems.
- Led product and user experience design to support onboarding, engagement, and habit formation.
Volunteer
Arizona State University, Tempe Campus
Tempe, Arizona
08.2024 - 08.2024
- Assisted new students with moving into campus dorms
- Provided directions, answered questions, and created a welcoming environment for incoming students and families
- Collaborated with staff and other volunteers to ensure a smooth and organized move-in process
Family Caregiver
Grandmother
Mess, AZ
10.2016 - 03.2019
- Provided daily care and companionship for elderly grandmother from a young age
- Assisted with meals and household tasks
- Developed a strong sense of responsibility, patience, and empathy through consistent caregiving
Education
High School Diploma -
Red Mountain High School
Mess, AZ05-2026
Skills
- AI-driven product and code development using Cursor and large language models (OpenAI GPT, Claude, Gemini)
- Strong analytical problem-solving skills with a practical, solution-oriented mindset
- Clear and confident written and verbal communication
- Fast learner with the ability to quickly adopt new tools and technologies
- Team-first mentality with strong coachability and leadership habits
- Professional, respectful demeanor with excellent time management and reliability
- Customer-focused mindset with natural service and relationship-building skills
Athletics
Varsity Baseball - Pitcher
- Competes at Arizona 6A - the highest level of high school baseball
- 1.5 ERA in 2024 season, including performances against defending state champions and a top-15 ranked team
- Trusted in high-pressure game situations; known for mental toughness and preparation
Timeline
Founder
No Doubles Golf Co.
08.2025 - Current
Volunteer
Arizona State University, Tempe Campus
08.2024 - 08.2024
Family Caregiver
Grandmother
10.2016 - 03.2019
High School Diploma -
Red Mountain High School