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About us

Meet our leaders

A highly experienced team focused on ensuring that our clients, our partners and our people have the best experience of working with us.

Rami Cassis

Rami is a highly experienced operator and investor in mid-market companies. He is a co-investor with The Acacia Group in Highmetric through Parabellum Investments, an investment company he founded. As CEO of Highmetric, he oversees all aspects of business operations. He brings extensive experience from leading companies that he has invested in, with a focus on enterprise software and business services. Prior to founding Parabellum, he was a senior director with Atos and KPMG. He began his career with Schlumberger in Asia.

Scott Stewart

Scott is an accomplished board-level finance professional with international operational experience across a diverse range of high growth product and services businesses. As CFO, he oversees all aspects of the company’s financial planning, budgeting, pricing and forecasting, and leads an international team. Prior to joining Highmetric, Scott held senior finance positions with a number of technology and services companies, including Virgin Media and Carphone Warehouse in the UK, and co-founded a mobile SaaS platform business. A certified accountant, he began his finance career in Australia.

Michael Yario

Michael is a highly accomplished sales and business development leader. He directs all aspects of the company’s go-to-market strategy, having spent the majority of his 20-year career with Highmetric. Michael leads a professional and growing international sales and marketing organization focused on delivering long-term value to clients. He maintains close relationships with all of the company’s technology partners, holding deep technical knowledge to ensure that clients benefit from the very latest innovations. Throughout his career, he has played a pivotal role in growing Highmetric to its position today as a market leader in enterprise operations and digital transformation.

David Prasse

David leads Highmetric’s extensive international team of onshore, nearshore and offshore software engineers and program managers. An experienced software engineer and DevOps practitioner himself, David is responsible for ensuring that Highmetric’s clients receive the highest quality professional services, supported by teams of problem-solvers configured to meet their evolving technology challenges. As part of his team development responsibilities, he oversees the company’s comprehensive technical training program. Prior to his current role, David held senior regional operational positions with the company, which he joined from Raytheon.


Manny is a seasoned technology specialist with a career spanning over 30 years. He leads the company’s technology practices across Enterprise Service Management, Cloud Operations, Identity Governance and DevOps, and is responsible for client relationship development and account management. Prior to Highmetric, he was CEO of TradeHelm, the nearshore software development business that is now part of Highmetric. Prior to that, he held a number of CTO and CIO roles in large corporations across the US. He began his career as a senior programmer in the financial services industry, and is a 20-year veteran of the Air National Guard.


Chris founded and leads Highmetric’s UK and European operation. He is responsible for all aspects of the company’s growth strategy and operations across the territory, maintaining close client and technology partner relationships. Chris has over 20 years extensive Enterprise Service Management experience, with a focus on ServiceNow, and leads a team of highly accomplished sales, technical delivery and program management professionals. He has spent his entire career with Highmetric, starting as a consultant in New York, and rising to Director of Service Operations in the UK prior to his current role. He is ITIL v4 certified and was Highmetric’s first certified ServiceNow System Administrator.


Matias leads Highmetric’s Latin America operation, currently known as TradeHelm, which became part of Highmetric in 2020. A human resources specialist by training, he has close to 20 years of operational experience in the technology and digital media sectors. He directs our regional operations and talent acquisitions strategies, ensuring that our clients benefit from the most capable nearshore developer talent. Prior to taking on this role, Matias was Operations Director of TradeHelm, and held a number of senior talent acquisition roles in regional and multinational technology businesses.


Andrew has been a leader in Highmetric for much of his career. He co-founded the company’s ServiceNow business unit, and leads our Enterprise Service Management (ESM) practice. He is responsible for the company’s ESM go-to-market strategy and Highmetric’s strategic engagements with ServiceNow in the US. An accomplished developer in his own right, Andrew has a strong track record of ensuring clients achieve sustainable and enduring results that transform how their lines of business work together, with experience across a range of sectors. Prior to his current role, Andrew held senior sales and business development roles with the company. He began his career as a developer with UBS.  


An experienced information security and cloud architect, Matt is responsible for IAM solutions development across the Highmetric client community. He advises clients on how to evolve their information security strategies and solutions in ways that align with their business objectives and leads solutions architecture to ensure effective delivery. Prior to his current role, Matt held senior operational positions within Highmetric, helping clients implement service management processes and solutions. An AWS Certified Cloud Practitioner, Matt joined the company from the healthcare insurance industry. 


Michael is an experienced enterprise architect, and leads client engagements across both the private and public sectors. His work helps clients ensure that their cloud strategies and infrastructures are closely aligned with the demands of their business, delivering more impactful and cost-effective outcomes. He leads Highmetric’s cloud infrastructure design, with an emphasis on cloud security, governance and compliance automation, and hybrid enterprise connectivity. Michael has been with the company throughout his career and was Director of Engineering prior to his current role. 


With over thirty years of experience in the IT industry, Diego is a leading expert in delivering exceptional technical services to clients across a range of sectors. He joined Highmetric on the company’s acquisition of TradeHelm, an outstanding team of nearshore DevOps and software development practitioners based in Argentina. Diego was Director of Client Delivery for TradeHelm, overseeing the company’s client-facing teams to ensure the highest quality of delivery. Prior to TradeHelm,  he worked for a number of Latin America and US based stock exchanges and trading platforms. He is a certified AWS Machine Learning Specialty professional and in his free time he likes to collaborate with biological research labs in Argentina, where he is based.


Grishma has over ten years of experience as a Human Resources professional. She is a strategic and innovative HR leader with a proven track record of translating business vision into pragmatic HR initiatives that improve performance and drive growth. In her role at Highmetric, she supports the leadership team in employee engagement, and believes passionately that the company’s people are its greatest asset. Throughout her career, Grishma has played a key role in the HR aspects of M&A, and is experienced in the integration of acquired companies. She joined Highmetric in 2020 from accountancy firm Mueller & Co.