On-BaseCollective
Social media strategy and brand marketing for sports, media and technology brands that want to move the needle.
Senior-level thinking. None of the overhead.
On-Base Collective is a boutique agency founded by sports social media strategist Olivia Witherite. Clients get a seasoned operator in the room from day one — not a junior team learning on their dime.
Strategy that performs.
From fractional CMO engagements to platform-native content strategy, we build programs that grow audiences and drive results.
Fractional Leadership
Executive marketing and social leadership, embedded with your team.
Social Media Strategy
Platform-specific plans built for audience growth and engagement.
Brand Marketing
Positioning, voice and messaging that sticks.
Who we’ve worked with.
A decade across sports media, sports betting, award organizations and digital-first startups.
Campaigns & strategy.
Writing, media appearances and selected work that show the thinking behind the strategy.
View portfolio →Olivia Witherite, MBA
A digital media expert with more than a decade in sports social media.
- Head of Social · ATHLOS
- Marketing Director · The Webby Awards
- VP, Digital Strategy · The Game Day
- Social Strategy · The Athletic
Ready to get on base?
Fractional leadership, strategy overhauls or a thought partner — let’s talk.