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Marketing & Social Media Strategy Intern

Astrin Biosciences, Minneapolis, MN, United States


Astrin Biosciences is launching Certitude™, a breakthrough blood test designed to detect breast cancer earlier and more accurately, particularly for women with dense breast tissue. Our mission is to give women greater confidence and clarity in their breast cancer screening journey. We are a fast-growing health innovation company working at the intersection of science, women’s health, and early cancer detection. Headquartered in Minneapolis, MN, the company’s mission is to lead the way in cancer intelligence and early detection.

Role Description This is an on-site, paid internship in Minneapolis, MN for a Marketing & Social Media Strategy Intern to help build and grow our organic social presence. This is an exciting opportunity for a student interested in healthcare marketing, startups, digital storytelling, and social media strategy to help shape how a mission-driven company communicates with patients, providers, and the public. The intern will help develop a foundational organic social media strategy, create engaging content, and support thought leadership across platforms like Facebook, Instagram, YouTube and other channels.

Preferred Qualifications

Current undergraduate or graduate student in Marketing, Communications, Journalism, Public Health, Business, or related field

Strong writing, storytelling and design skills (Canva, CapCut or Premiere or similar tools)

Strong familiarity with Facebook, Instagram, YouTube, TikTok, or other social platforms

Interest in healthcare, biotech, or women’s health

Organized and able to work independently in a startup environment

Bonus if you have:

Experience managing a social account for a brand, club, or publication

Experience in science communication or health education

What You’ll Work On

Analyze how leading health and biotech brands approach organic social

Develop Certitude’s organic social media strategy

Identify key platforms, content pillars, and consistent posting cadence

Work closely with Astrin’s agency partners to ensure consistency and amplification across the entire funnel

Content Creation

Develop creative content ideas and weekly content calendars

Draft posts for Facebook, Instagram, and other channels

Help translate scientific and medical concepts into engaging, accessible content

Design simple graphics and videos using tools like Canva

Thought Leadership

Help amplify company leadership and expert voices on social media

Draft social posts based on articles, research, and company news

Identify relevant timely conversations and trends in women’s health to leverage on social

Audience Growth & Engagement

Identify strategies to grow organic followers

Support comment monitoring and engagement

Track performance and recommend improvements

What You’ll Gain

Hands-on experience building a social strategy from the ground up

Exposure to healthcare, biotech, and startup marketing

Mentorship from experienced marketing leaders

A portfolio of real-world campaigns and content

The opportunity to contribute to a mission focused on improving women’s health

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