info@liberisconsulting.com

About

Business Philosophy

Our mission at Liberis Consulting is simple.

To deliver unparalleled product strategy and marketing consulting services that unlocks the full potential of our clients’  technology and service offerings for delivering sustainable long-term growth.

What makes Liberis, Liberis?

Depth and breadth of experience

We have 40+ years of experience in B2B SaaS and enterprise software in roles such as consulting, product marketing, business and research.

Specialized expertise advising startups and scaleups

We have a track record helping emerging companies expand their footprint against larger competition while developing their unique positioning.

Distinct knowledge of AI and emerging technologies

We help clients clarify positioning with emerging B2B solutions and advise on the latest use of AI to solve business challenges.

Empower your brand with our flagship service

With deep domain experience, we work closely with your leadership to define and operationalize your positioning, messaging, and product sales content.   

Technology Solutions Expertise

B2B Software / Enterprise
AI / Emerging Tech
Procurement
Financial
Supply Chain
Risk Management
ESG / Sustainability
Human Capital

TEAM

Constantine Limberakis

Founder
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Constantine Limberakis

Constantine Limberakis, the founder, brings a wealth of experience to the table, with a distinguished career spanning management consulting, analyst leadership, and product marketing in the procurement and supply chain technology sectors. He has held pivotal roles at renowned firms including co-Founder/investor at The Shelby Group (now Accenture), and leadership positions at Aberdeen Group, The Hackett Group, Corcentric, and riskmethods. His extensive expertise underscores a profound understanding of market trends with a proven track record of strategic product marketing leadership.

Bill DeMartino

Senior Advisor
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Bill DeMartino

Bill is a strategic and hands-on leader with over 20 years in procurement and supply chain technology, spanning early-stage innovation through scaled enterprise execution. He built and commercialized cloud-based solutions across sourcing, supplier management, risk, and sustainability—leading strategy, go-to-market, and customer success. Proven track record in helping B2B software organizations scale revenue, deepen customer relationships, and establish market leadership. He brings a rare combination of product and GTM expertise, backed by a deep understanding of enterprise buyer needs and ecosystem dynamics.

VIDEO

State of the B2B ProcureTech Space

Contact

We want to hear from you. Drop us a line below.

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Liberis Consulting have been a fantastic partner to work with across a number KonnectHouse events and webinars. Their team brings energy, professionalism, and real expertise to every collaboration, helping create engaging discussions that resonate with audiences. It’s always a pleasure working together, and we truly value the partnership we’re building. Looking forward to many more successful events and collaborations ahead.
— Sophie Lumley - Co-Founder & Director of Partnerships | KonnectHouse
I’ve been working with Constantine at riskmethods and Sphera. Constantine is a thought leader and true industry expert in the procurement, supply chain and risk management space. He is a strategic thinker and very business oriented. He is absolutely passionate about what he is doing. And very important – he is a great leader and wonderful colleague.
— Birgit Mueller, VP Head of Product Line Marketing ORM & Field Marketing, Sphera