Social Growth Lead

Generic AI averages the internet. Onix lets you summon the actual judgment of a health and wellness expert who has spent a career on your problem, private and personal: experts already on the App Store include Dave Rabin, Mark Sisson, Ashley Koff, William Li, and Elissa Epel .We need someone who grows Onix where our audience already spends time: Reels, TikTok, creator content, and our experts’ own communities. You know what works on social this month, and you turn it into installs and activated users at a cost that works.You live inside current social culture. You make content, brief creators, run the ad account, and read the numbers in the same week. You work in person from our office in Old Montreal.What You Will Do
UGC and creator programs.
Find, brief, and manage creators, and run a steady pipeline of UGC that sounds like real people.Social channels.
Own our Instagram, TikTok, and LinkedIn: what we post, how often, and what we learn from it.Expert and founder content.
Turn our experts’ and founders’ videos into content that travels, with the formats and hooks that work now.Paid social.
Run Meta and other paid social, and test creative one variable at a time, with an adequate sample and retested winners.Measurement.
Own cost per install, signup, and activation, inside a privacy-first architecture that makes attribution a real creative challenge.Move fast inside the brand.
Work with brand and design, and ship quickly within the brand book.Who You Are
You make social content yourself, and you know the current formats, sounds, and creators in health, wellness, or lifestyle.A track record of creator or UGC programs for a consumer brand, with real campaigns, numbers, and failures to show for it.Fluency in Meta and other paid social platforms, from campaign structure to bid strategy.Comfort with the general messiness of iOS measurement.The rigor to say plainly when your own data does not support a conclusion.This Role is NOT For You If:
You want a remote job. We build together in person, in Old Montreal.Your growth playbook is mostly SEO, programmatic, or sales-led.You need a full MMP stack and off-the-shelf attribution to do your job.You would rather show a dashboard than say plainly what a number means.What Success Looks Like
A steady pipeline of creator and UGC content goes out on a schedule.We know which formats and creators bring activated users, computed the same way every time.Our owned social channels grow on a metric you defined and can defend.Paid social runs in-house, with a documented test plan and a written record of what we learned.Cost per activated user holds steady or improves as spend increases.A critique of our socials: what you would change, and why.Content you made or creator campaigns you ran, with the results.Your 30-day plan: three UGC concepts you would run first, and what result would change your mind.Decision models answer with probabilities. We test how calibrated they are on coin flips and random digits, and why calibrating and validating them matters.Onix launches Tiny Labs, a Montréal research group building small language models around one expert, to keep their knowledge, judgment, and voice intact.Nathalie Niddam lost a 36,000-person community to Meta, then her Instagram account. She talks to Onix founder David S. Bennahum about owning what you know.Registered dietitian Ashley Koff answers six questions she hears most often, on GLP-1 stalls, fiber, protein, bone health, and fasting.
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