Tadhg O'Leary

Fractional product leader for b2b startups

I help B2B startups shape winning product strategies, make clear product decisions, and build products customers love. Trusted by teams from early-stage startups to 400+ person scale-ups. Ex-Workday, Ex-Lattice.

Trusted by leading startups

I’ve worked with 20+ B2B startups across a range of industries, sizes, and stages of growth, from early-stage companies to 400+ person scale-ups. Below are some notable client success stories.

noloco

Noloco is a fast-growing, Y Combinator-backed startup helping teams build powerful internal business apps without writing code.I partnered with their leadership team during a period of rapid growth to help redefine their long-term product strategy, sharpen their competitive positioning, and guide key product and messaging decisions.

“We had the pleasure of working with Tadhg to redevelop our strategy at Noloco. We had grown a lot and needed some help reassessing. Thanks to Tadhg’s guidance, we were able to clearly identify our core competitive advantages. This helped us shape our messaging and roadmap to reach our next goals.”
- Darragh Mc Kay, CEO

Jisr HR

Jisr, a fast-growing 400+ person multi-product scale-up, is the leading HCM and payroll platform in the MENA region.I worked closely with Jisr’s leadership and product teams over several months to shape a cohesive multi-product strategy and establish a clear, long-term roadmap to support continued market leadership and expansion.

Aerocloud

AeroCloud is a fast-growing Series A startup transforming the aviation industry with modern software and hardware solutions for airports.I worked with the CEO to lead deep market research and discovery on potential new product opportunities to expand AeroCloud’s offering.

"Tadhg is everything you need from a consultant. He's competent, quick, clever, fast learner, pro-active and easy to get on with, able to have a laugh and ideate."
- George Richardson, CEO

ROAMR

Roamr is an innovative startup rethinking corporate travel by helping companies cut travel costs through a trusted network of friends and colleagues.I worked with Roamr’s founders at an early strategic inflection point to help them evaluate core product directions and sharpen their go-to-market strategy ahead of their €3M seed raise.

“Tadhg has a phenomenal product brain. He helped us realign priorities and focus after just a few short sessions, taking a fresh view of our product decisions and roadmap.”
- Stephen Dooley, CEO

BOOKA

Booka is a fast-growing B2B event management platform that connects companies with curated vendors for team events and large-scale corporate experiences.As a long-term advisor to Booka, I’ve helped shape their product and strategy as they’ve grown from early stage to serving clients such as OpenAI and DHL, helping them make smarter product decisions and focus on what matters most as they scale.

“It’s been invaluable having Tadhg’s expertise on hand to guide our product decisions. He brings a lot of strategy to our thinking, ensuring that every change drives a clear outcome, and that outcome is tested with the simplest possible solution.”
- Donnchadh Healy, CEO

CALQRISK

CalQRisk is a well-established SaaS platform that helps organisations identify, assess, and manage risk across their operations.I was brought in to provide product leadership guidance, helping to rethink their product management approach, strengthen product processes, and build a more scalable, outcome-driven way of delivering value to customers.

"Tadhg brought a clear leadership perspective to our product management process. He quickly assessed how we worked, identified key improvements, and helped us implement a more effective process — tailored to our business and with immediate impact."
- Chris Hanlon, CEO

ways of working

I partner with B2B SaaS startups in three distinct ways, each designed to address different stages and needs in your product journey.

1. fractional product leadership

Part-time Head of Product for growing teams

I step in as your fractional Head of Product, providing strategic leadership and hands-on execution for 1-3 days per week. I guide your product vision, refine strategy, and mentor your team while building scalable product processes.Ideal for: Scale-ups ready to professionalize their product function or bridge leadership gaps during growth phases.Typical engagement: 3-6 month commitments with potential for extension.

2. Product Strategy Consulting

Unlock your path to sustainable growth

Through a structured strategy process, I help you identify your biggest opportunities and build a winning product strategy. This includes market analysis, competitive positioning, customer research, and roadmap development.Ideal for: Startups feeling stuck on product direction or looking to enter new markets confidently.Typical engagement: 2-8 week intensive projects.

3. Zero-to-One Product Discovery

Validate new product ideas before you build

De-risk new product opportunities through systematic market research, customer discovery, and opportunity analysis. I help you understand market demand, validate assumptions, and build conviction before significant development investment.Ideal for: Established companies exploring new product lines or major feature expansions.Typical engagement: 4-12 week discovery phases.

AI-enhanced product management

Across all engagements, I integrate AI tools and methodologies to accelerate research, enhance decision-making, and improve product outcomes.Ready to accelerate your product growth?Book a free discovery call!

Contact

If you’re looking for a product leader to help shape strategy and drive better product outcomes, get in touch or book a free discovery call below.[email protected]
Book a free discovery call