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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 Cassis is an international dealmaker, investor, and operator. He leads Parabellum Investments, the family office he founded, which trades as a private equity firm, and owns a portfolio of companies spanning sectors including life sciences, technology, mining and fashion.

Rami has a long pedigree of leading companies ranging from large, multinational corporations to small, mid-market firms. He has led several international complex transactions, always acting as the principal. Although he will sometimes step in as interim CEO, he usually acts as Executive Chairman.

Before he started Parabellum Investments, Rami held a number of leadership positions with corporations, including CEO, COO, Chairman and Operations Director. He shares this valuable, first-hand knowledge and experience with all the portfolio companies which are owned by Parabellum Investments.

Follow Rami Cassis on Twitter @rami_cassis

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 MajorKey. 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 MajorKey to its position today as a market leader in enterprise operations and digital transformation.


Jim oversees all aspects of the MajorKey engineering and consulting services. He brings more than 20 years of executive management experience, working with Fortune 1000 clients to unleash opportunities for innovation and growth. Jim works closely with clients to help them envision the next step in their digital journey, and he is sought after for his ability to bring people together around a common goal. Jim’s role at MajorKey includes leading our LatAm team, delivering industry-leading nearshore technical capabilities; and serving as CEO of Valence, addressing the strategy, consulting, and engineering needs of Valence and MajorKey clients.

Paul Luka

Paul is a detail-oriented, analytical, driven CFO regarded for leadership and excellence in all areas of finance. As CFO, he oversees all aspects of the company’s accounting, financial planning, budgeting, and forecasting. Paul has been with the company throughout his career and has held multiple senior finance positions within MajorKey. He holds a Master’s in Accounting, with undergraduate degrees in Finance and Economics.


Serving as legal counsel, Haya is an accomplished deal maker and trusted advisor responsible for the legal, corporate governance, enterprise risk management, ethics, and compliance functions of MajorKey.  Haya was most recently recognized as a “2021 Best Lawyers: Ones to Watch” and has received the “Touro Service Award,” was named to the Daily Record’s “Twenty in their Twenties” list and was chosen as a “Forward 50.” Prior to joining MajorKey, she was a member of the M&A team of a leading law firm. She is a team builder, trusted business partner to our sales team, and growth supporter to MajorKey.

David Prasse

David leads MajorKey'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 MajorKey'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 MajorKey, he was CEO of TradeHelm, the nearshore software development business that is now part of MajorKey. 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.


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 MajorKey, 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 MajorKey in 2020 from accountancy firm Mueller & Co.


Matias leads MajorKey's Latin America operation, currently known as TradeHelm, which became part of MajorKey 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.