Daniel Callis
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Daniel Callis Email & Phone Number

Founder | Fintech | Gen AI | Embedded Finance | Payments | Infrastructure | Climate Tech | NED | Board Advisor at Stealth FinTech Startup
Location: London, England, United Kingdom 17 work roles 4 schools
1 work email found @sitigrid.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Founder | Fintech | Gen AI | Embedded Finance | Payments | Infrastructure | Climate Tech | NED | Board Advisor
Location
London, England, United Kingdom

Who is Daniel Callis? Overview

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Daniel Callis is listed as Founder | Fintech | Gen AI | Embedded Finance | Payments | Infrastructure | Climate Tech | NED | Board Advisor at Stealth FinTech Startup, based in London, England, United Kingdom. AeroLeads shows a work email signal at sitigrid.com and a matched LinkedIn profile for Daniel Callis.

Daniel Callis previously worked as Founder at Stealth Fintech Startup and Non Executive Director at The Circular Economy Developments. Daniel Callis holds Automotive Engineering from University Of Hertfordshire.

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dcallis@sitigrid.com
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Profile bio

About Daniel Callis

Entrepreneurial founder with proven experience in building and leading international businesses, operating and scaling functions, owning P&Ls, and smashing growth targets while delivering strong and meaningful customer experiences.I'm fortunate to spend my time working with industry leaders around the world, creating, developing, and deploying transformative solutions to solve complex problems for banks, multinational companies, and fast-growing SMBs.Outside my work, I am a proud father to 4 fast-growing boys, husband to an incredibly talented multi-awarding winning marketeer, a semi-retired motorcycle racer (I no longer bounce so well), who still enjoys high adrenaline sports, exploring new places, and building/renovating/repurposing things.

Listed skills include Banking, Cash Management, Payments, Commercial Banking, and 46 others.

Current workplace

Daniel Callis's current company

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Stealth FinTech Startup
Stealth Fintech Startup
Founder | Fintech | Gen AI | Embedded Finance | Payments | Infrastructure | Climate Tech | NED | Board Advisor
AeroLeads page
17 roles

Daniel Callis work experience

A career timeline built from the work history available for this profile.

Founder

Current

New York, Us

As the Founder of a cutting-edge B2B Fintech startup based in the UK, I lead the development of our revolutionary generative AI-driven platform using the latest in financial technology to create disruptive Banking and Payment solutions that exceed the evolving needs of our customers. — More details coming soon!

Jul 2024 - Present

Non Executive Director

Current

High-growth Climate Tech business leveraging the circular economy to make energy affordable, sustainable, and secure, as well as creating long-term relationships to generate value for shareholders, partners, and customers. The company is building a fleet of carbon-negative power plants for our high-energy customers.Our new greenfield anaerobic digestion plant is the first-ever facility in the UK to be developed through project financing.

Dec 2023 - Present

Investor & Advisor

Current

London, England, Gb

The Finteum Platform is a global execution venue for bank treasuries to securely lend to each other for hours at a time. (Immediate settlement via intraday FX swap or intraday repo using legally approved smart contracts). Built upon financial-grade Distributed Ledger Technology, Finteum can automate the complete settlement of trades within seconds. Making Finteum's platform an important component of a Bank's liquidity optimization strategy able to reduce costs by millions of dollars each year. Check out: https://finteum.com/

Oct 2022 - Present

Board Advisor

Current

London, Gb

Feb 2023 - Present

Non Executive Director

London, Gb

Sitigrid is a UK-based climate tech business enabling the optimal use of clean renewable energy through our proprietary technology to deliver Local Energy Markets. Sitigrid’s SaaS platform and technology integrates with electricity suppliers' current billing systems and processes to create communities of loyal and engaged customers, positioning the supplier as a disruptive force in the energy market.

Jan 2021 - Feb 2023

Managing Director

Founded a boutique firm driving business growth and transformation across industries. We enabled businesses that aligned with our industry expertise and investment criteria - primarily Fintech, Payments, Banking Transformation, E-commerce, Digital Assets, SaaS, B2B Infrastructure, and ClimateTech.

Apr 2021 - Jul 2024

Chief Executive Officer

Disruptify enables enterprising executive leaders to maximise growth and transform the success of their businesses. Focused on positive disruption within e-commerce, SaaS, and financial services.– Embedded Finance, Real-Time Payments, BaaS, Blockchain (DLT), Digital Assets, and Generative AI, with a watchful eye over Web3 and Metaverse.- Strategic advisor supporting C-level executives and high-growth entrepreneurs to deliver business transformation, integrate technologies, and achieve operational excellence.- Extensive network provides direct access to strategic partners, including the introduction of Institutional and Venture Capital to progress the development of sustainable infrastructure and advance technology.

Apr 2021 - Nov 2022

Executive Vice President

Chattanooga, Tennessee, Us

I led the Financial Institutions' business globally, providing businesses and Banks with embedded payment and collection capabilities; transformative B2B & B2C digital solutions to enable instant real-time payments, push-to-card payments, open banking, and card acquiring connectivity. The cloud-native platform was SaaS-based and facilitated direct integrations to Banks, Accounting Systems, ERPs, and Core Banking System providers, delivering real-time value through modern APIs. - Delivered strategic partnerships with strategically important Tier 1 global banks that facilitated mutual growth opportunities.- Developed new product capabilities that greatly enhanced the offering for SMB and Corporate clients ensuring a more seamless experience for Finance and Treasury teams.- International Speaker at leading Treasury and Banking conferences such as Eurofinance driving the brand and positioning the benefits of the platform.

Nov 2022 - Nov 2023

Founder

Bespoke advisory and consulting practice - Merged with Disruptify

Nov 2020 - Nov 2021

European Head

London, Gb

Global Payments Liquidity and Cash Management. Business leadership for strategic industry sectors covering global corporations, conglomerates, multinationals, and SOEs.- Took business ownership and delivered on my strategy, resulting in record-breaking recurring revenue growth, and multi-year double-digit CAGR during a period of historically low and negative interest rates.- Full oversight of sector Product requirements, including Payments, Collections, Accounts, Liquidity Management, Deposits, Digital Channels, Corporate, Purchasing, and Virtual Cards, and a significant contributor of stable funding ($ Billions) for the wholesale bank.- Experienced in driving strategic high-value enterprise relationships, leading a regional team of senior executives with an indirect team spread across HSBC’s global network aligned to sector targets.- Proven track record in closing complex multi-million-dollar (ARR) enterprise mandates. - Senior business sponsor and deal coach for regional and global opportunities. - Full oversight of sector needs, including Sales and Marketing, Business Consulting, Customer Experience, Product Development, Operations, Contract negotiations, Risk, AML & KYC, and Account Management.- Close partnership with the Corporate & Investment Bank, Global Markets, FX, Security Services, Credit & Risk, Core Trade, Supply Chain, and Receivables Finance.

Aug 2017 - Nov 2020

Working Capital Advisory - Global Segment Head

London, Gb

Strategic Advisory and Financial Structuring for Global Banking & Markets (GBM) clients and colleagues across HSBC's global network; focused on driving Thought Leadership, growing Revenues, and delivering improved RoRWA.- Worked with Global Executives, CFOs, and Group Treasurers to identify and deploy measurable return on capital, and increased shareholder value.- Member of the Executive Management Committees for Global Transaction Banking and Global Liquidity & Cash Management.- Providing oversight and governance on all strategic business activities, driving deal conversion across the five core product divisions aligned to the Corporate and Investment Bank.

Jul 2015 - Aug 2017

Singapore Country Head - Commercial Banking

London, Gb

Responsible for Commercial Banking (CMB) in Singapore for the Global Payments Liquidity and Cash Management (GLCM) division. Clients ranged from SMBs to International MNCs.- Achieved double-digit income growth on a book of Singapore domestic businesses, generating operating revenue of U$100mill per annum and managing liabilities in excess of U$25 billion. - Led and coached a diverse team of Sales Managers focused on growing Regional and Global revenues through relationship development and advisory services to decision makers based in Singapore and/or Malaysia. – Payments, Deposits, FX, Liquidity, Asset Management, Digital Channels & Commercial Cards. - Designed the 2015 Target Operating Model for CMB with Singapore being the lead site for wider ASEAN GLCM coverage including detailed analysis, market sizing, creation of new roles, and re-banding of positions. Established a vision that received full buy-in from executive stakeholders, resulting in a 30% uplift in funding.

Nov 2012 - Jul 2015

Head Of Global Payments & Cash Management - Philippines

London, Gb

Parachuted in to lead HSBC Philippines on an interim basis as the Country Head for Global Liquidity, Payments and Cash Management taking ownership of a large multi-functional business, including Product, Sales, Marketing, Implementation, Integration & Client Management.Engaged as a proactive member of the Asset Liability Committee (ALCO), ensuring commensurate returns on client liabilities under management. Partnered with senior stakeholders in IT and Group Operations to reduce the cost of payment operations, and drive efficiencies through targeted automation. Attended meetings with the Ministry of Finance, the Regulator, and Government officials.Delivered reporting of P&L performance and delivery of business objectives, including Operations, Risk, Compliance & Audit to country CEO and Regional Management.

Jan 2014 - May 2014

Regional Sector Head - Asia Pacific - Senior Vice President

London, Gb

Full Sales and Business Development responsibility for corporate industry sectors:1. Healthcare, Pharmaceuticals and Professional Services2. Oil & Gas, Energy, Metals & Mining, and ChemicalsConsistent and proven new business generator. I was able to materially change the success and market penetration of both sectors from underperforming, into the leading industry sector within a period of two years, outperforming the stretch target by more than 50% each year. Proven ability to forge trusted relationships with Senior Executive level management.

May 2010 - Nov 2012

European Sector Head - Director

London, Gb

European Sector Head, Director responsible for a large team of Senior Sales Managers, covering key sectors:1. Technology, Diversified Industrials, Manufacturing & Construction.2. Automotive, Transport, Shipping & Marine, Support Services, Real Estate & Infrastructure. Member of the team that developed HSBC's first ever Banking as a Service (BaaS) product.Deep experience across payments, product management and process re-engineering, including transforming the Corporate Sales and Implementation process - Resulting in an improved sales cycle, decreased time to revenue, reduced the client administration burden and increased client satisfaction by 50%. Active steering committee member and key lead for number of GTB transformational projects: Managed Payment Service, Global Billing, Strategic Visionary Forum, GTB Process re-engineering, Client Implementation Re-alignment, Voice of the Client, Employee Engagement Task force.

Dec 2004 - May 2010

Global Treasury Services, Sales - Emea

Charlotte, Nc, Us

Working Capital Management Sales - EMEA, with proven experience of consultative Relationship Management to Financial Institutions (Bank and Non-Bank, Broker Dealers, Fund Management, Custody and Insurance), and Public Sector.Focused on Cash Management, Trade Finance, Regional Credit requirements, Asset Management, and Markets (FX) engagement. Project Lead for WCA & Treasury Services EMEA on merger with Fleet Bank Boston Europe. Project Lead for AML & KYC redesign and refresh in preparation for OFAC audit - Successful outcome achieved.

Dec 1998 - Dec 2004

Global Treasury Services - Customer Service - Bournemouth

New York, Ny, Us

Chase ManhattanTreasury Services Relationship Specialist for Corporates, Investment Banks, Broker Dealers and Global Financial Institutions, requiring an excellent operational knowledge of Treasury Services and Operations.

Jan 1997 - Dec 1998
4 education records

Daniel Callis education

Automotive Engineering

University Of Hertfordshire

Supply Chain Management Programme, Logistics, Materials, And Supply Chain Management

Cranfield School Of Management

Transformational Leadership Development Programme

Korn Ferry

Btec - Engineering

Bournemouth And Poole College
FAQ

Frequently asked questions about Daniel Callis

Quick answers generated from the profile data available on this page.

What company does Daniel Callis work for?

Daniel Callis works for Stealth FinTech Startup.

What is Daniel Callis's role at Stealth FinTech Startup?

Daniel Callis is listed as Founder | Fintech | Gen AI | Embedded Finance | Payments | Infrastructure | Climate Tech | NED | Board Advisor at Stealth FinTech Startup.

What is Daniel Callis's email address?

AeroLeads has found 1 work email signal at @sitigrid.com for Daniel Callis at Stealth FinTech Startup.

Where is Daniel Callis based?

Daniel Callis is based in London, England, United Kingdom while working with Stealth FinTech Startup.

What companies has Daniel Callis worked for?

Daniel Callis has worked for Stealth Fintech Startup, The Circular Economy Developments, Finteum, Sitigrid, and Disruptify.

How can I contact Daniel Callis?

You can use AeroLeads to view verified contact signals for Daniel Callis at Stealth FinTech Startup, including work email, phone, and LinkedIn data when available.

What schools did Daniel Callis attend?

Daniel Callis holds Automotive Engineering from University Of Hertfordshire.

What skills is Daniel Callis known for?

Daniel Callis is listed with skills including Banking, Cash Management, Payments, Commercial Banking, Sales, Financial Services, Liquidity, and Relationship Management.

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