Hi! I’m Libby, a NYC-based growth & marketing consultant
Say goodbye to chaos
I work with Seed–Series A consumer services and technology startups to unlock step changes in CAC.
Through focused growth sprints, I help teams build conviction in their positioning and find scalable acquisition campaigns.
Puzzle-solver by nature, operator by training, and marketer by happy accident. Find my playbooks and lessons on Substack.
Who I am
I began my career at BCG, learned to run a P&L as a Caviar GM (acquired by DoorDash), and then pivoted into marketing. Since then, I’ve built marketing from the ground up for 20+ startups in both in-house and fractional leadership roles.
A coworker once described me as “a marketer with an engineer’s brain.” Read more about me.
What I help with
I help startups create marketing-led growth engines that drive results.
You may need me if one or more of these problems sound familiar to you:
🚦 The Getting Started Problem
You have some early customers and are ready to hit the gas on growth. But you’re overwhelmed by options - what channels to pick, what messages to focus on, and who to hire to execute.
🚰 The Kitchen Sink Problem
Your team throws everything but the kitchen sink at growth and isn’t sure which actions drive outcomes. You are looking for a clear playbook to help you drive repeatable growth.
🤷♀️ The Clarity Problem
If you asked ten different prospects to describe your product, you might get close to ten different answers. You are looking for concise, compelling, and consistent way to explain who your product is for and why it’s better than the alternatives.
How we work together
I work with passionate, collaborative teams to accelerate growth. Once we start working together, it will feel like I’m a part of your team because I am.
Growth Bootcamp
I run a 4-week sprint to define a 90-day roadmap plan for marketing experiments. We’ll hone positioning, pick focus channels, and design experiments.
Fractional Leadership
I embed into your organization and provide senior-level marketing leadership, working alongside your team to execute.
Advisory
We meet weekly to assess performance, refine strategy, and develop high-impact experiments.
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"Libby is a star. As the founder and CEO of two venture-backed start-ups, she is one of the most exceptional people I have ever worked with. She is a unique blend of analytical and creative, strategic and operational. She helped us to focus on the key questions that actually matter for growth and executed flawlessly on-time and on-budget."
- Brynn Putnam, Founder & CEO
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"Libby was a total game changer. She ramped up our marketing programs, helped us hire an amazing full-time VP marketing and ran an A/B test that increased our new trial rate by +50%. Very lucky to have worked with her!"
- David Adams, Founder & CEO
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"Libby raised the bar for our marketing team. Within weeks, she had revamped our positioning, ran tests to validate her strategy, and started scaling our subscriber base within our target CAC. It's rare to find a marketer who can oscillate between high-level strategy, detailed funnel analytics, and copyediting, but Libby can do it all."
- Joey Grassia, Co-Founder & CEO
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“Libby is a rare breed of marketer that is equally great as a strategist and operator. She helped us understand how positioning was stunting growth, built us a clear operating plan, and assessed who we should hire to lead our marketing efforts full-time. 10/10 would recommend!”
- Alex Torrey, Founder & CEO
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"Before working with Libby, we were struggled to acquire any customers for our new DTC offering. Libby built a clear, structured testing roadmap and got the right resources in place to execute. She helped us hone in on our target segments, unlock stronger ad hooks, and improve patient onboarding. As a result, we reduced new patient CAC by 6x! Best of all, Libby truly felt like part of our team."
- Caitlin Fiordirosa, CFO
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"After working with many marketers over the years, I can say without hesitation that Libby is in a league of her own. Her engineer’s mindset, pragmatic approach, and strategic thinking truly set her apart. She’s more than a consultant; she’s a genuine thought partner."
- Chelsea Rowe, Founder & CEO
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"Through her Growth Bootcamp, Libby helped us refine our positioning and provided actionable steps for where and how to invest in technology, processes, and planning. Having already implemented a few of her recommendations, I can confidently say that we're seeing tangible improvement in our acquisition and conversion metrics."
- Tsega Dinka, Chief Product Officer
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"Libby consistently demonstrated exceptional strategic thinking, coupled with a remarkable sense of agency and an unparalleled ability to execute. Libby is truly the ultimate 'barrel' – that rare person who can seamlessly take an idea from inception to flawless execution, making her an invaluable advisor to companies of any stripe. "
-Gokul Rajaram, CEO
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"Libby is one of, if not the best, person I have ever worked with. She is smart, savvy, solution-oriented and humble. She delivers results day in and day out, and always has a smile on her face. I would jump at the chance to work with Libby again."
- Jesse Pujji, Founder & CEO
My philosophy
Great marketing is thoughtful, intentional & takes time to bring to life, which can sometimes feel at odds with a startup's fast-paced, constantly changing environment. But startups that slow down first to go fast later are the ones that win.
My training is in big-picture strategy & analytics, but I’ve lived in amorphous startups for the last decade, where trial & error, brute force effort, & perseverance are the game's name. I bring the best of these worlds together to avoid mistaking motion for progress.
My approach is to help you develop conviction in your marketing foundation by grounding the work in a deep understanding of what your customers care about, think about, and dream about and why they care about what you’re building. This foundation serves as a springboard for new channels & iterative experimentation that unlocks predictable growth.
Ready? Let’s begin
I give clients my dedicated focus and make their priorities my priorities, so I’m only able to take on a few projects each year. If you think there’s something great to be made together, feel free to drop me a line.