Our team

Jirka Ambroz

(pronounced Yirka) President and Founder of Abacus IT, Inc.

Jirka’s first developed his skills in the technical aspects of home and business computing in his native Czech Republic before he moved to the United States in 1998. Skilled in the technical aspects of home and business PC and Apple computers, he spent his first few years in California fine-tuning these skills and….

In 2002, he opened his own company, then called Computer Czech, LLC., in West Hollywood, focusing on both home and business computer systems, repair, and service to the local community. Jirka’s skillset and ability to keep abreast of the rapidly changing technology field has established him as an expert in the field of technology and he has accumulated a long list of satisfied clients throughout Los Angeles and the surrounding areas. His skilled staff has made it possible for him to expand his service and operations to include providing hardware, software, and supplies as well as service six days per week. In addition to his responsibilities at Abacus.
Keith Shaffer

Keith Shaffer

Chief Information Officer

As Abacus IT's Chief Information Officer, Keith is responsible for ensuring business processes run efficiently to promote the productivity of employees and the business as a whole. For over 17 years, Keith Shaffer has worked extensively in the information technology field, providing clients with innovation, honest interactions, and reliability. As Partner of a successful Managed Service Provider in New York City, he fulfilled such roles as vCIO, Senior IT Manager, Network Architect, and Project Manager, amongst others. During his tenure of 8 years as a partner, he helped organize a local charity with two colleagues. He was one of eleven fundraising candidates to raise a combined total of $850,000 for the Leukemia and Lymphoma Society. Keith's experience in leadership, both personally and professionally, has been enforced by the methods and concepts taught to him from the EOS management model that promotes a healthy team environment with a focus on achieving all goals.
Ken Blakeley

Ken Blakeley

Financial Advisor

A Senior Executive, and Advisor with more than 40 years of success across the financial services, information services and technology, oil and gas, and construction industries. His broad areas of expertise include forecasting and performance management, global operations, strategic planning, budgeting, profit planning and operational analysis, risk management, contract negotiations, acquisition due diligence and integration, joint ventures, mergers & acquisitions, and Employee Stock Ownership Plans. Ken held key leadership positions as the Chief Financial Officer of MATT Construction, CFO of Water and Infrastructure Division of Parsons Corporation, CFO of Oberthur Card Systems and the Manager Corporate Financial Planning for ARCO. Ken earned his MBA and BS from the University of Southern California. Ken previously was a licensed California CPA with the firm of PricewaterhouseCoopers.
Garrett Hovater

Garrett Hovater

Engineer

Garrett started his technical career in the field running electrical and low voltage wires in residential and business environments. Over the next 3 years he honed is knowledge and skills and became lead programmer for home automation and network troubleshooting. While Abacus frequently calls on Garrett’s expertise in cabling, we mostly rely on his hardware and software troubleshooting for our clients remotely and through his friendly onsite visits. When his face is not in front of a computer screen, Garrett enjoys exploring, travelling and enjoying good meal, preferably while simultaneously engaging in a good baseball game.
Steph Martinez

Steph Martinez

Dispatcher

Stephanie has over 15 years of experience providing software training and help desk support within the title and escrow industries. Over the years her experience and attention to the ever-changing needs of her clients has garnered an understanding of customer service to which Abacus insists. In Stephanie’s spare time, she donates her services as a Notary Public to various charities and first responders. Stephanie enjoys spending time with her family and friends, hiking, listing to music and pod casts.
Felipe Ocampo

Felipe Ocampo

Service Manager

Felipe’s experience in troubleshooting networks and installing hardware helps Abacus handle busy Tier I service requests as well as manage critical monitoring boards to ensure smooth-running systems for our clients. In his free time, he enjoys learning about new technology and spending time with his family.
David Chang

David Chang

MSP Operations Manager

Nearly 10 years serving IT services and various MSP businesses, David has deep relationships with both his clients and his understanding of different networking environments. He continually demonstrates effort within his team and ongoing projects without an end. In his free time, David is actively sparring in boxing classes, working out and playing sports with colleagues/close friends. He can also be seen joining obstacles courses in both New York and New Jersey. David rarely strays away from competitions and accepts challenges in all manners.
John Anderson

John Anderson

Project Manager

John has been providing consulting and managed services supporting businesses technology needs in the: media and entertainment, energy, finance, legal, design and non-profit sectors for over 20 years. He is constantly looking for the most efficient, effective and elegant solution to every problem he faces. In his spare moments, John pursues creative endeavors, record shopping and training lions.
Jonathan Adjahoe

Jonathan Adjahoe

Engineer

As a DC native, Jonathan has been working with large scale computer systems since 2006. Jonathan excels with great customer service and is able to make sure problems get resolved. He has a lot of experience with Mac, Windows and mobile platforms. Jonathan is into cars, photography and music.
Raffi Avakian

Raffi Avakian

HR and Finance Manager

Raffi is a Los Angeles native who brings with him a wealth of knowledge having over fifteen years of Operations Management experience. He is greatly familiar with Statistics and Procurement having over five years of experience in both. For the past year, Raffi has developed a passion for Bookkeeping and Tax Preparation. He will provide the highest standard of professional service with the highest level of efficiency and accuracy. In his spare time, he enjoys cooking, fishing and listening to 1950’s music. Most of all, he loves spending time with his family.
Zak Snoussi

Zak Snoussi

Field Engineer

Zak has a wide range of IT knowledge acquired over his lifetime of working with computers. Ranging from the basic training to hardware/software troubleshooting, Zak has mastered some of the most complex skill sets in the field. Always eager to learn something new, Zak is constantly challenging himself to new projects in an effort to gain even more knowledge. Zak is Cisco CCNP, Microsoft MCITP certified as also holds a BSc. In his spare time, he enjoys making music in his studio and spin his old vinyl collection.
Rachel Sulak

Rachel Sulak

Bookkeeper

Rachel is a graduate of The University of Washington and received her Master’s degree in psychology from Pepperdine University. She has an extensive background in business administration and accounting, working as an HR manager in several industries before founding her own Business Management firm which offers bookkeeping, accounting and HR services to a variety of organizations. She is an LA native who loves spending time with her family; and in her free time she enjoys hiking, pilates, and is a dedicated equestrian.
Genaro Valles Ramirez

Genaro Valles Ramirez

Jr. Engineer

Genaro Valles-Ramirez is a Junior Engineer/Help Desk at Abacus IT. He has a reputation of providing quality customer service, helping with issues related to Emails, VoIP , and any Tier 1 related questions. He also enjoys addressing onsite request and properly installing any hardware or setting up software to work as intended. Some of his hobbies are hanging out with his friend's and family. He also likes to work on cars, workout, and eat healthy foods.
Marc Ferrer

Marc Ferrer

Office Administrator

Marc has over seven years of administrative and management experience gained from the film and financial industries. He is now happy to expand and utilize his skills within the tech industry. Known for his stoic and organized personality, Marc brings efficiency and a calming professional presence to every client interaction. Outside of work, Marc is a big patron of LA museums and freelances as a tea master, teaching culture and philosophy through tea ceremonies.
Paulo Wu Liu

Paulo Wu Liu

Jr. Engineer

Paulo has 3 years of experience in the IT sector. He has knowledge in Cisco CCNP, Security+, and a varied troubleshooting experience across several industries such as food service, apparel, and telecom. In his spare time, Paulo enjoys photography, hiking, and tennis.
Christopher McNaught

Christopher McNaught

Jr. Engineer

Christopher has 15 years of experience in the technology field. Most recently, Christopher was a Reactive Tech Support at Teamlogic. Before that, he was a field technician at Interblock Gaming. Christopher has experience in various technology fields, including IT, Electronics, datacom cabling, CCTV, and electromechanics. When Christopher is not at work, he is working on his HAM radio license, woodworking, and learning astronomy.
Rutvij Shah

Rutvij Shah

Sr. Network Engineer