Meet the Founder

Craig Greenhouse

Craig Greenhouse - Founder & Principal Consultant

Craig is an Open Banking and Open Finance specialist with deep experience spanning technical strategy, solution architecture, API security and hands-on implementation.

He was involved in the UK's Open Banking programme during its formative years at the Open Banking Implementation Entity (OBIE), and has subsequently worked with major financial institutions on complex Open Banking and API programmes, including Natwest and Santander.

His specialist areas include FAPI, OAuth 2.0/OIDC, Dynamic Client Registration (DCR), Software Statements (SSA), PKI and mTLS, API security, directory and trust frameworks, TPP onboarding and bank/fintech integration.

Craig works comfortably across the boundary between business, regulation and engineering - helping leadership teams understand what needs to be done, shaping the architecture and delivery approach, and working directly with technical teams when required.

Through Opendata Consult, he brings together senior specialists in Open Banking/Open Finance, identity and API security, payments and software engineering to support clients through advisory, architecture, implementation and delivery.

Areas of expertise

Open Banking & Open Finance · Smart Data · Payments · FAPI · OAuth/OIDC · API Security · DCR/SSA · PKI/mTLS · Solution Architecture · Technical Strategy · Bank & Fintech Integration

Connect with Craig on LinkedIn https://www.linkedin.com/in/craigsg/

Read Craig Greenhouse's full profile

Mr Open Banking

Eyal Sivan

Eyal Sivan - Mr Open Banking
Known throughout the financial services industry as Mr. Open Banking, Eyal Sivan is one of the world's foremost experts in Open Banking, Open Finance and API ecosystems. He advises banks, fintechs and regulators around the globe on strategy, architecture and the successful delivery of Open Banking initiatives.

Eyal is the creator of the internationally recognised Mr. Open Banking brand and host of the world's leading Open Banking podcast, where he has interviewed many of the industry's most influential leaders, innovators and policymakers. Since its launch, the podcast has grown to more than 100,000 listeners and earned multiple industry awards, with Eyal recognised by Open Future World as the world's number one Open Finance influencer.

With more than 30 years' experience spanning banking and enterprise IT, Eyal brings deep expertise in APIs, digital transformation, integration architecture and financial technology. His practical experience enables organisations to navigate both the strategic and technical challenges of modern Open Banking ecosystems.

As part of the Opendata Consult team, Eyal provides senior advisory services, executive mentoring and strategic guidance to banks, fintechs and financial institutions looking to accelerate their Open Banking, Open Finance and Open Data programmes.

Learn more about Eyal at mropenbanking.com

IAM Expert

Sergio Benis

Sergio Benis - IAM Expert
Sergio Benis is an expert in many areas of Identity and Access Management spacing from employee lifecycle to Customer Identities, Privileged Access Management and well as Identity data protection, PSD2 and Open Banking.

Authentication and Authorisation are also areas of expertise, from SAML, to OAUTH and OpenID Connect (OIDC) to Medium and Fine grained authorisation with deep knowledge of Role Based Access Control (RBAC), Attribute Based Access Control (ABAC) to policy Based Access Control (PBAC).

Sergio has worked in the Identity and Access Management industry for over 25 years, designing and implementing solutions based on several technologies from Netegrity Siteminder to Sun and Oracle IAM, Sailpoint, Ping Identity and Cloudentity (now SecureAuth).

Sergio has also covered different roles in both pre and post sales which gives him a full knowledge and understanding of the whole lifecycle of an IAM solution, from Proof of Concept (PoC) to design and deployment to maintenance.

IAM is a cross industry area, Sergio has worked on solutions designed for many customers from several industries, from Banks to FinTechs, from airlines to governments and defence.

11x Developer

11x Developer

Senior Software Engineer
Our senior software engineering associate brings deep hands-on experience in TypeScript, Node.js and React, with a track record of building and shipping production software and open-source developer tooling.

Working across application architecture, APIs and full-stack development, they combine rapid delivery with a strong focus on code quality, maintainability and pragmatic engineering.

They currently prefer to remain unnamed publicly due to existing professional commitments, but are available to support selected Opendata Consult client engagements.