The People Behind Mach7
A registered nurse, the DICOM engineer who co-founded the company, and the radiologist who ran the world's first filmless hospital. Here is who makes the decisions.
Leadership
Teri Thomas
Chief Executive Officer and Managing Director
Teri Thomas is a registered nurse who has spent her career on the software side of clinical care.
She came to Mach7 from Volpara Health Technologies (ASX: VHT), where she was Chief Executive Officer through the turnaround that led to the company's acquisition by Lunit, and then served as Lunit's Chief Business Officer. Before Volpara she spent 20 years at Epic, the leading US electronic medical record company, and held executive roles at Orion Health running global sales and corporate development.
She holds a Master of Science alongside her nursing registration.
Shawni Hadfield
Interim Chief Financial Officer
Shawni Hadfield is Interim Chief Financial Officer at Mach7 Technologies, where she owns the company's financial strategy, planning and performance, and works with the executive team on capital allocation.
She moved into the role from Vice President of Commercial Excellence at Mach7, where she rebuilt how the company forecasts and reports revenue across its revenue-generating functions.
She brings more than 15 years across finance, strategy and operations, including a period as Chief Financial Officer of a global SaaS business. Earlier she advised companies across five countries on corporate finance, M&A, restructuring and operational transformation. She is a Chartered Accountant and a CFA Charterholder.
Brian Wehrle
Chief Technology Officer
Brian Wehrle is Chief Technology Officer at Mach7 Technologies. He runs the global engineering and support organizations and owns the technology roadmap across cloud, AI and workflow orchestration.
He joined from Clario, where he was Vice President of Software Engineering, Medical Imaging, led a global team of approximately 150 people, and drove the expansion of AI and machine learning capabilities across the organization.
Earlier he held senior engineering leadership roles at Asure Software and GE Healthcare. Twenty-five years in healthcare software, most of it in imaging.
Todd Stallard
EVP, Commercial
Todd Stallard is Executive Vice President of Commercial at Mach7 Technologies, running enterprise sales, channel partnerships and marketing.
He spent 17 years at Microsoft in senior sales and channel leadership, building partner ecosystems and the revenue programs that ran on them. He came to Mach7 from ApoQlar, where he led global partnerships in advanced visualization, and before that Sigma Connectivity.
Two decades of that work has been go-to-market: deciding which partners can sell a product, and what has to be true before they can.
Ross Carbone
General Counsel
As General Counsel, Ross Carbone oversees all aspects of Mach7 Technologies' (ASX: M7T) legal function and is part of the company's executive leadership team.
Ross brings more than a decade of corporate law experience, both in-house and in private practice. Previously, Ross held legal leadership roles of increasing responsibility, including Interim General Counsel, at AnewHealth (formerly NASDAQ: TRHC), a medication management and pharmacy care company. Before that, Ross was Counsel at BD (NYSE: BDX), a Fortune 500 medical device company. In these roles, Ross provided legal direction across corporate governance, securities, compliance, capital markets, strategic business transactions, and other corporate matters. Earlier in his career, Ross was a corporate associate at DLA Piper, where he advised public and private companies in the areas of mergers and acquisitions, corporate governance, capital markets, and venture financing.
Ross holds a JD from Rutgers Law School and a BA in International Politics and Economics from Middlebury College. He is currently pursuing an MBA at the University of Michigan's Ross School of Business.
Mike Moore
VP, Growth & Market Development
Mike Moore leads Growth, Market Development & Customer Success at Mach7 Technologies, where he's building the go-to-market engine that connects direct sales, strategic partnerships, and the Account & Customer Experience (ACE) team around one number: net revenue retention.
Mike brings more than 20 years of partner-led growth leadership in healthcare IT and enterprise technology, including senior alliance and channel roles at Microsoft, GE Healthcare, Datto, and Productive Edge, where he built hyperscaler and data ecosystems spanning Microsoft, AWS, Google Cloud, Snowflake, and Databricks. He is the co-author of Marketing Multiplied, a practical guide to channel marketing, and holds a B.S. in Management from Lesley University.
Outside Mach7, Mike is a certified drone pilot and flight instructor, teaching aerial photography and videography courses across New England.
David Russo
Sr Director, Regulatory Affairs & Quality
David Russo is Senior Director, Regulatory Affairs & Quality at Mach7 Technologies, where he oversees global regulatory strategy and quality systems for Mach7's enterprise imaging platforms and diagnostic viewers.
David brings more than 15 years of regulatory and quality leadership in medical imaging software and healthcare IT, with deep expertise in ISO 13485 quality management systems, risk management (ISO 14971), software validation, and FDA submissions. He is an ASQ Certified Manager of Quality/Organizational Excellence and an ISO 13485 Lead Auditor. Before Mach7, David built and scaled quality systems as Vice President of Operations and Director of Quality Assurance at Data Innovations, and spent a decade at GE Healthcare (including its acquisition of IDX Systems Corporation), leading quality management and FDA regulatory validation for healthcare IT projects.
David holds a B.S. in Applied Economics and Business Management from Cornell University's Dyson School.
International Leadership
Zaleera Tharel Vasu
VP, Operations APAC
Zaleera Tharel Vasu is Vice President, Operations APAC at Mach7 Technologies, based in Singapore, where she leads the company’s end-to-end operational strategy across the Asia-Pacific region, including finance, HR, sales operations, and regulatory compliance.
With more than 12 years at Mach7 Technologies’ Singapore operation, Zaleera has progressed from Senior Accountant to APAC Operations Manager and now to her current role as VP. She brings 24 years of finance experience spanning statutory audits, taxation, GST compliance, and financial operations across multiple APAC markets.
In addition to her finance expertise, Zaleera has more than a decade of HR leadership experience, covering payroll, recruitment, performance management, and employee development. She also brings extensive experience in healthcare regulatory compliance, including HSA and GDPMDS audits, as well as hands-on involvement in sales operations, including pricing, contract administration, and CRM management.
Her broad experience across finance, people, compliance, and commercial operations gives her a comprehensive, ground-up understanding of the operational requirements of a regional healthcare technology business.
Zaleera holds a Bachelor’s degree in Accounting and Finance and an Advanced Diploma in Information Technology.
Veera Palaniappan
Senior Sales Executive
Veera Palaniappan leads Mach7's healthcare sales across Southeast Asia, based in Kuala Lumpur.
He joined from Dedalus APAC, where he was Regional Healthcare Sales & Country Director for Malaysia and Brunei. Over more than 23 years he has built and run P&L-owning regional businesses across ASEAN, AMEA, and APAC for organizations including DXC Technology, RamSoft, iSOFT/CSC, and Agfa HealthCare, spanning enterprise imaging (PACS, RIS, CR, Cardio PACS), diagnostics, and healthcare informatics. He has worked both sides of that: direct sales leadership and product management.
Veera holds a Bachelor's degree in Biomedical Engineering from the University of Alabama at Birmingham and an Associate's degree in Healthcare Leadership from the NUS Yong Loo Lin School of Medicine.
Ravi Krishnan
Strategic Advisor to the CEO
Ravi Krishnan co-founded Mach7 Technologies and advises the Chief Executive Officer on product direction and technical strategy.
He is a DICOM and image workflow expert with two decades of experience in the technology that drives medical imaging, including time at GE Healthcare and Agfa HealthCare. As one of the company's two co-founders, he shaped its design philosophy and technical strategy.
Board of Directors
Rob Bazzani
Non-Executive Chairman
BSc, LLB, MBA
Rob Bazzani chairs the Mach7 board. He has over 30 years' experience in law, corporate finance and corporate advisory, advising public companies, private companies and global subsidiaries on commercial matters, public transitions, corporate governance, and mergers and acquisitions. His earlier career spans commercial law, investment banking, and senior roles at the global consulting firm KPMG.
Current directorships: Non-Executive Director, OFX Group Limited (ASX: OFX). Chair, Natrio Asia Pacific Pty Limited. Chair, ORDE Financial Holdings Pty Limited. Chair, NALSPA Limited (National Automotive Leasing & Salary Packaging Ltd).
Previous directorships (last 3 years): Director, Keypath Education International Inc.
Teri Thomas
Chief Executive Officer and Managing Director
Teri Thomas is a registered nurse who has spent her career on the software side of clinical care.
She came to Mach7 from Volpara Health Technologies (ASX: VHT), where she was Chief Executive Officer through the turnaround that led to the company's acquisition by Lunit, and then served as Lunit's Chief Business Officer. Before Volpara she spent 20 years at Epic, the leading US electronic medical record company, and held executive roles at Orion Health running global sales and corporate development.
She holds a Master of Science alongside her nursing registration.
Eliot Siegel, MD
Non-Executive Director
Dr. Eliot L. Siegel is a radiologist and imaging informatics researcher. He is a Professor in the Department of Diagnostic Radiology at the University of Maryland School of Medicine and holds a dual appointment with the Bioengineering Department at the University of Maryland, College Park.
He was Chief of Imaging Services for the Veterans Affairs Maryland Healthcare System from 1987 to 2022, where he led the program that made it the world's first filmless healthcare enterprise. He co-founded United Theranostics, which works on expanding patient access to radiopharmaceutical cancer therapies.
He has authored hundreds of articles and book chapters on Picture Archiving and Communication Systems (PACS), digital imaging, and medical imaging informatics. He edited Filmless Radiology and Security Issues in the Digital Medical Enterprise, and served as editor of the PET/CT edition of Radiologic Clinics of North America. He has delivered more than 1,000 presentations on computers, artificial intelligence, and clinical medicine, has directed programs for the SPIE Medical Imaging Conference, is a Fellow of the American College of Radiology, and holds the Society for Imaging Informatics in Medicine's Gold Medal.
On the Mach7 board he reviews product direction on AI integration and diagnostic workflow.
Rebecca Fitzgibbon
Non-Executive Director
Audit and Risk Committee Chair
BEc, Grad Dip Applied Finance & Investment, GAICD
Rebecca Fitzgibbon chairs Mach7's Audit and Risk Committee. She has more than 25 years' experience across global investment banking, ASX-listed companies, SaaS and technology businesses, real assets, and the not-for-profit sector, and has advised boards and executive teams through capital raisings, mergers and acquisitions, sustainability initiatives, governance challenges, and strategic transformation.
Her earlier roles include senior leadership at J.P. Morgan, KPMG Advisory, CSR Limited, and Valad Property Group, as well as equity research and financial journalism. She co-founded MarketMeter, an investor sentiment and data analytics platform serving ASX-listed companies and institutional investors.
Current directorships: Non-Executive Director and Audit & Risk Committee Chair, Mach7 Technologies Ltd (ASX: M7T). Non-Executive Director and Chair, Finance, Risk & Audit Committee, Independent Community Living Australia (ICLA). Co-Founder and Non-Executive Director, MarketMeter.


