The HLN management team is comprised of a group of dedicated professionals from diverse backgrounds, including traditional consulting, academia, health care, government service, and commercial industry. the Management Team has established HLN as a unique company that exemplifies innovation and collaboration. We encourage our staff to be flexible, understanding and yet practical in developing comprehensive tailored solutions to serve our public health clients and their not-for-profit partners.

Palm Desert, CA
858-538-2220 (Voice)
858-538-2209 (Fax)

With over twenty-five years managing information technology initiatives, Dr. Noam H. Arzt understands how to develop, deploy and support systems on any scale. As an administrator and researcher at the University of Pennsylvania, he honed his skills including successfully guiding Federal, State and foundation grants and contracts. In 1997, Dr. Arzt launched his consulting company, HLN Consulting, LLC, which provides services and support to public health agencies around the country.

Dr. Arzt has been working with immunization information systems projects for over twenty years and served for four years as a subject matter expert on the technical assistance team for the HHS ONC State-level Health Information Exchange Cooperative Agreement Program. Dr. Arzt is engaged in numerous projects related to public health and Meaningful Use and is considered a national expert on IIS, HIE, and HIT standards.

Dr. Arzt is a fellow of HIMSS, and an active member of AIRA, APHA, HL7, and AMIA. A frequent speaker at national conferences on public health informatics, Dr. Arzt brings a national leadership perspective on IT quality and customized solutions. Dr. Arzt holds a Bachelors Degree from the Wharton School at the University of Pennsylvania, and a Masters and PhD in Higher Education Administration from the University of Pennsylvania.

Detailed home page and Full CV (pdf)


Cherry Hill, NJ
215-568-3005 (Voice)
215-825-8401 (Fax)

A Senior Project Manager since 2001, Mike Berry wears many hats at HLN: manager, consultant, and software developer.

He has staffed and managed health information systems projects for HLN in Philadelphia, New York City, Rhode Island, New Hampshire, Vermont, and Washington. His work is focused on public health registries, connecting public health and Health Information Exchange (HIE), standards-based messaging and interoperability architecture, privacy and security in HIE and person-matching technologies for integrated systems. He currently leads HLN’s public health systems projects for the Rhode Island Department of Health, and is a developer and relationship manager for HLN projects at the University of Pennsylvania. Previously, Mike led HLN’s team on the Strategic Healthcare IT Advanced Research Projects on Security (SHARPS) project at the University of Illinois at Urbana-Champaign, culminating in the release of Decision Support for Data Segmentation (DS2).  Mike brings a deep technical understanding, as well as crisp written and oral expression skills to any project he undertakes.

He holds a B.S.E. in Computer Science Engineering from the University of Pennsylvania.


Cherry Hill, NJ
310-928-1051 (Voice)

Daryl Chertcoff provides project and technical leadership on complex, multi-vendor application design and development efforts, and has architected major public health systems. As a senior project manager for HLN since 2000, he uses a diverse set of skills and approaches to tackle complex problems in creative and unique ways.

Daryl has worked with a wide range of technologies and he has managed, designed and implemented systems and applications that utilize various integration and database technologies. In New York City, he was one of the architects of the Master Child Index and the primary developer of the Online Registry, an internet-accessible, web-based interface for providers to access the Citywide Immunization Registry. He has also been instrumental in building and maintaining network servers and database systems for a variety of clients. His project management, operations and application development experience lends well to the full software development life cycle. Daryl leads HLN’s public health case reporting initiative, including client management, technical oversight, and project planning.

Daryl holds a B.S.E. in Computer Science Engineering from the University of Pennsylvania.


Portland, OR
360-244-4344 (Voice)

Maiko Minami brings a diverse experience in public health and healthcare informatics to the HLN team. While currently a project manager, Maiko previously served as a senior business analyst at HLN with a concentration in standards and systems development for public health and health information systems. She has worked in the past to support a variety of national efforts, including facilitating the development of Syndromic Surveillance standards and recommendations for Meaningful Use, and the development of a national Newborn Dried Blood Screening (NDBS) HL7 Laboratory Orders and Results Implementation Guide. In addition, she worked as a project coordinator for the State-Level Health Information Exchange Program, aimed at providing technical assistance for states through the Office of the National Coordinator’s (ONC) State Health Information Exchange Cooperative Agreement Program. Previous projects have included development of Los Angeles County’s Countermeasure and Response Administration (CRA) system. Currently, Maiko is supporting HLN’s work with electronic case reporting and our ICE Open Source immunization forcaster.

Maiko received her Bachelor of Arts at the University of California at Berkeley. She furthered her technical education at Columbia University through the Computer Technology and Applications program, with an emphasis in Database Application Development and Design.


Cherry Hill, NJ
856-266-3175 (Voice)


Marcey Propp brings vast consulting experience to HLN serving public health agencies in the integration of strategy, process and technology in a disciplined way. Managing IT projects within State and Federal government, Marcey’s focus areas include feasibility and need assessments, strategic planning and execution, system development life cycle methodology, organization design and change management, business process analysis and improvement, portfolio management, and training development and facilitation.

Skilled in collaborating across multiple stakeholder groups to build consensus, Marcey has provided leadership to engage staff and drive process improvement in and around government organizations that promote program optimization, and effective and efficient utilization of resources and technology.

Marcey holds a Bachelor of Arts in Business Administration and English from Rutgers University and a Masters of Business Administration from Northeastern University. She is an active member of the Healthcare Information and Management Systems Society (HIMSS) and Healthcare Businesswomen’s Association (HBA).


Voorhees, NJ
856-751-1094 (Voice)

Mike Suralik is an accomplished information technology professional with experience in project management, business analysis, and application development. As a Senior Project Manager since 2002, Mike has managed HLN projects for the health departments of New York City, Philadelphia, Los Angeles County, Kentucky, and Oklahoma.

Mike has lead teams to perform needs assessments, to develop customized software, to modify software developed by other parties, and to provide ongoing support and maintenance of a diverse set of applications, databases, and servers. Mike has a demonstrated ability to manage complex projects with numerous stakeholders to develop web-based, health applications that bring together users from government health organizations and the provider community. His exceptional analytical and problem solving skills enable him to consistently identify project barriers and present solutions. Mike currently leads HLN’s efforts supporting the New York City Citywide Immunization Registry (CIR) and also leads HLN’s Open Source Immunization Calculation Engine (ICE) project.

Mike holds a Masters in Computer Science from North Carolina State University.