- Herbert OlitskyPresident & Founder
After Herb graduated from Temple University with a degree in Electrical and Electronics Engineering, he put his skills to use in the field of biomedical electrical engineering. From there he moved to computer science, focusing on medical instrumentation. Eventually he founded his own business with the goal of helping organizations integrate computer hardware and software with all aspects of organizations’ operations.
He gains his greatest professional satisfaction from helping clients solve complex problems and providing the highest levels of expertise. And part of that is always doing things with a human touch and the highest level of integrity.
When he is not busy with HOCS, he loves playing with his grandchildren an occasional visit to museums and also continues to learn.
- Richard SinnreichChief Executive Officer
Richie started his IT career over 20 years ago as an intern assembling computers, manning the helpdesk and working with clients in the field. Over time, he got his BS in Computer science and worked with all aspect of IT service provision.
A current focus of his work is designing cloud based and on-premises system using tools such as Azure, MS 365 and AWS to solve real world problems, improve productivity and address new and complex business challenges. He always works closely with clients and works on minimizing the disruption and downtime of any migration. At the same time, he looks for way to visualize new processes and technologies and find new ways to use existing technologies. And he does all this while managing a team spanning the country and multiple regions internationally to meet customer needs.
After hours he relaxes by cooking outdoors, smoking meat and barbecuing.
- Isaac AltmanChief Strategy Officer
Isaac came to HOCS just over 6 years ago with over a decade of experience with front line management. His most recent experience was at the intersection of technology and healthcare management. As the CSO, Isaac is acutely conscious of the challenges organizations face, and is committed to helping clients and potential clients craft solutions that help meet those challenges in an effective and economical manner.
After hours, Isaac is an EMT providing both emergency medical care and transportation to people with urgent medical needs. He also enjoys traveling with his family and seeing new places, and coaches his children’s soccer and baseball teams.
- Skender SubrahimovicDirector of Client Relations
Skender has been with HOCS since 2014, bringing with him decades of experience in implementing and supporting software. His primary focus was on medical care systems, dealing with organization at all levels of technical capability, starting with organizations with no technology capacity at all. He brings all of this experience to bear as he and his team design solutions, create implementation plans and work with other team members to resolve issues for clients at all stages of technology capacity and implementation.
To de-stress Skender practices Tai Chi Chuan. He’s also an avid biker and will spend hours on a weekend biking in the woods, although he’s always careful to avoid the animals.
- Josh AaronsonDirector of Operations
Josh joined HOCS at age 17 while completing his bachelor's degree in computer science. He has worked in several departments, gaining experience along the way. He now serves as our director of operations. Josh’s analytical nature teamed with his customer first attitude have brought improvements to our clients’ overall experience with support. Josh likes trivia, poker, and video games. Josh also likes to travel; his wildest trip included a plane, a car, an uber, a motorcycle, a train, and nearly 3000 miles of travel in the span of 2 days.
- Paul FerraraDirector of Support Services
Paul brings over three decades of support experience to HOCS. He is responsible for directing the strategic initiatives of our service delivery team. Part of his responsibilities also include staff coaching and development. Paul gained a majority of his experience working for premier accounting and telecommunication companies. In his spare time, Paul likes to travel with his family, is interested in photography, and cheering on the NY Islanders with his son.
- Terry CiancioDirector of Technology & Infrastructure
Terry’s passion for technology was born as a child. He could be found taking apart and repairing most anything. This lent itself to tech related puzzle solving. From there he began his IT career with positions in IT Helpdesk, Senior Support and previously head of client services. In 2015, Terry joined our team at HOCS bringing that puzzle solving passion and experience to our organization. His Kaizen philosophy, diligence and love for IT keeps us working with the most up to date technologies to best service our customers.
Terry spends his free time biking and hiking, but while he comes from a musical background, the only thing he can play is the radio.
- Tova DershowitzSenior Controller
Tova is our Senior Controller. She comes to us with over 15 years’ experience in tech, finance and management. At HOCS she works to create processes and build teams to streamline business and bring more affordable and effective services to our customers. At home she enjoys spending time with her family and her dogs Tanzie and Teddy.
- Kfir ZaislerProcurement Manager
Kfir came to HOCS over 10 years ago with a background in all aspects of IT tech support. He started as a field then moved into in house repair service, and ran the service “bench”. He has grown the department which now has several technicians and support staff. The primary focus is getting repairs done efficiently and with minimal disruption to clients.
Kfir is a motorcycle aficionado who has motorcycles “in his blood”.
- Dovie WeingartenProfessional Services Manager
Dovie has been with HOCS over 11 years. He started at the bottom working on all of the basic tasks that need to get done to keep systems running smoothly and new projects implemented. With his commitment to going the extra mile for customers, he worked his way up to his current position as Manager of Field Services. Having worked his way up through the various levels of system maintenance and project implementation, he has developed a keen insight into the daily working of our clients, and he uses that to continuously refine the level of service his team provides.
- Mordechai CzarkaPMO Manager
Hailing from the Windy City, Mordechai’s project management career started in New York City after graduating college. He has since served in project roles at several large New York City based universities.
After working in the non-profit sector and education sectors, Mordechai joined HOCS as an IT Manager.
Today Mordechai oversees a growing team of Project Management Professionals (PMP) who handle everything from Microsoft Office 365 integrations to site-wide hardware and infrastructure upgrades. Most importantly,
Mordechai and his team understand that Project Management is not “one size, fits all”, and that custom and tailored approaches are necessary. His team operates on the ethos that project management is about understanding the customer and their specific needs.
Mordechai is an avid fan of all things sci-fi and loves to travel.

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