Our clients say HDI Group’s energy is contagious.
    This won’t be possible if we won’t love our job


    Liviu Nedelescu
    Avansys Solutions CEO
    Our company contracted HDI Group to help streamline our back-office processes. My team envisioned a straightforward business process optimization project, which is why as CEO I wasn’t planning on being directly involved. HDI Group however went above and beyond the initial requirement by identifying direct links between streamlined operational workflows and business model differentiators. This attracted my personal involvement in the project and resulted in upgraded marketing materials as well as adjustments to our go-to-market strategy. HDI Group is a solid performer on projects where well-defined challenges dictate a best practice type solution. HDI Group is an outstanding performer when they are allowed to jointly explore the problem space with their clients and pursue the development of truly innovative solutions.
    Senior Health Expert
    “The HDI team challenged our assumptions based on which we have been operating for many years. Not only did we learn about the current status on the field but were able to enhance our operations through a model that is scalable. We highly recommend the HDI team and their services”
    The World Bank Headquarter, HNP Unit
    Health Economist and Task Team Leader
    “Diana is a very gifted researcher, a vibrant and committed team member. Nonetheless, she stands out as someone able to think outside the box. One day come to me to ask me to be a key expert in a high-level event she was putting together between the World Bank Group, Bill and Melinda Gates Foundation and other key organizations on a topic of her choice. I was very impressed by her ability to connect people at that level. I immediately offered her to work with me on a large operational project. We worked together on the technical evaluation of an operational project in the amount of Dollars 77.82 million, which aimed at strengthening the quality assurance policies governing the education of health professionals in Indonesia. Our project required constant communication with government counterparts and other World Bank staff. Because of Diana's natural ability to present astute ideas effectively, I did not hesitate to entrust her to maintain communication with our partners and colleagues. Diana made considerable contributions to the evaluation report by critically appraising the monitoring and evaluation of the project among other things. I highly recommend Diana and her team”.
    The World Bank Group Romania
    Ex-Acting Country Manager
    “Ms. Pirjol has been providing services for the World Bank Group both in Washington D.C. and in Romania since 2013. The very strong experience and background as well as the professional relationships developed by the World Bank Task Team Leaders with Ms. Pirjol is proof of her professionalism”
    Executive Director
    “Diana and her team has been providing consulting services in the pharmaceutical sector working with Insightdata in Romania since 2019 and up to the present time. The very strong experience and background as well as the professional working relationship developed by us with Diana and her team is proof in the continuation of her being enagged in various ongoing projects. „
    Executive Director
    “We have been working together with the HDI team on a number of projects and I was pleasantly surprised by their organized way of thinking and acting. One of the examples that come to mind is her excellent work for the Roma Entrepreneurship Development Initiative (REDI). REDI provides access to specialists (lawyers, accountants, sales experts) as well as access to funding via partner microfinance institutions and banks to Roma and other vulnerable groups from Romania and Bulgaria. HDI Group team carried out a process evaluation and helped us re- define our monitoring and evaluation framework. They screened REDI project appraisal documents, mid-term evaluations, and beneficiary assessments, and carried out questionnaires and focus groups with the implementation team and partnering organizations. We were very pleased with the results first of all because we learned about the implementation challenges. We also learned which services provided an added value and how these could be better designed to serve the needs of our beneficiaries. These are now being integrated in the extension of the program. I highly recommend HDI Group and will certainly collaborate again!”


    We partner with leading Fortune Global 500 biopharmaceutical companies, NGOs, foundations, United Nations, hospitals, and government agencies worldwide. Our internal experts, together with our network of affiliated experts from academia, industry, and government, offer our clients exceptional breadth and depth of expertise.

    In addition to clients mentioned here, HDI Group is a major supplier to several large and small Pharmaceutical Companies and Governmental Agencies. As you may understand, we are not at liberty to provide detail on our website. For more information, please make contact with us at office@hdigr.com


    To ensure our competitive leverage in accessing human resources or technology, we have partnered with several academic and private organizations.

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