Arellius Medina
Central Valley,CA
Summary
Dynamic marketing specialist with hands-on experience in social media management and campaign optimization. Personally grew a TikTok following to over 200K, and drove similar growth for brands through innovative content strategies and A/B testing. Skilled at reading shifting trends and adapting fast. Combines data, AI tools, and influencer partnerships to identify what resonates now, then pivots quickly when it doesn't, driving measurable growth for every brand.
Overview
4
4
years of professional experience
Work History
Customer Experience Associate
RH
03.2026 - Current
- Represented the RH brand with polished communication and professionalism, delivering a luxury customer experience that aligned with the company's vision and values.
- Leveraged deep product knowledge and confident communication to guide customers toward pieces that matched their space and style, resulting in increased customer satisfaction and sales conversions.
- Resolved a disrupted order situation by proactively guiding the customer through alternative product options, ensuring a seamless replacement experience and preserving customer trust and satisfaction.
- Built strong customer relationships through personalized, attentive service, earning repeat clientele who specifically requested my assistance and returned for future purchases.
Social Media Specialist
CK-12 Foundation
09.2025 - 01.2026
- Managed TikTok and Instagram channels, producing 5-7 short-form posts weekly for organic and paid campaigns, enhancing engagement across diverse audiences from Gen Alpha to Gen X.
- Personally grew a TikTok following to over 200K, and drove similar growth for brands through innovative content strategies and A/B testing.
- Skilled at reading shifting trends and adapting fast.
- Combines data, AI tools, and influencer partnerships to identify what resonates now, then pivots quickly when it doesn't, driving measurable growth for every brand.
- Social Team
Growth Marketing Intern
Poshmark
07.2025 - 09.2025
- Designed and optimized AI-assisted creatives using ChatGPT, Google Flow, Midjourney, and Runway, crafting digital ads tailored for Gen Z audiences on Meta, Snapchat, and TikTok.
- Launched and managed paid campaigns, conducting A/B testing and leveraging Looker to analyze performance metrics, refine audience targeting, and improve creative strategies.
- Surpassed campaign goals by achieving a +2.3% CTR increase against a 1% target, driving measurable growth in engagement across multiple paid channels.
- Marketing Department
Social Media Manager and Marketing Assistant
San José State University
04.2022 - 06.2025
- Managed end-to-end Meta & TikTok video content for Gen Z audiences, leveraging different hooks, captions, and styles, with A/B testing to optimize performance.
- Collaborated with seven university departments to design cohesive marketing campaigns, producing visual assets using Canva and Adobe Premiere Pro.
- Utilized current trends and interactive storytelling tailored to the college student demographic, identifying top-performing formats and strategies that enhanced audience engagement.
- Created and scheduled static, video, and animated content for TikTok and Instagram, increasing social media engagement by 30% and boosting campus event participation.
- Associated Students
Education
Bachelor of Science - Business Administration, Marketing Concentration
San José State University
12-2024
Skills
Content & Social: Social Media Strategy, Content Creation (End-to-End), UGC Content Optimization, Ad Copywriting & Creative Optimization, Influencer Marketing, Paid Social Advertising, Cross-Functional Collaboration
Marketing Strategy & Analytics: Campaign Management, Audience Research & Persona Alignment, A/B Testing & Performance Analysis, Conversion Rate Optimization (CRO)
Platforms & Tools: Hootsuite, Later, Looker, Google Analytics, Adobe Premiere Pro, Canva Pro, CapCut, ChatGPT, Midjourney, Runway
Timeline
Customer Experience Associate
RH
03.2026 - Current
Social Media Specialist
CK-12 Foundation
09.2025 - 01.2026
Growth Marketing Intern
Poshmark
07.2025 - 09.2025
Social Media Manager and Marketing Assistant
San José State University
04.2022 - 06.2025
Bachelor of Science - Business Administration, Marketing Concentration
San José State University