Driving the Future of Vehicle Intelligence
Questar is a pioneer in Predictive Vehicle Health Management (PVHM) delivering a true full-stack solution combining predictive and prescriptive maintenenace capabilities.
About Us
At the heart of Questar’s platform is its advanced agentic AI, which continuously learns from vast streams of vehicle and operational data to anticipate issues before they occur and recommend the best actions to resolve them.
By turning complex data into actionable intelligence, Questar empowers Tier 1 suppliers, OEMs, leasing companies, service providers, and enterprise fleets to minimize downtime, cut maintenance costs, and unlock new revenue opportunities, transforming vehicle health from a reactive necessity into a strategic advantage.
Predictive Vehicle Health Management is just the beginning.
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Leadership
Vered Mandelboum Josef
Chief Executive Officer
Vered Mandelboum Josef is a visionary executive with extensive experience driving strategic growth, operational scale, and transformation across the automotive and technology industries. As CEO of Questar, she leads the company’s business strategy, commercial expansion, and innovation agenda—building the foundation for long-term value and market leadership.
With a proven track record in aligning strategy with execution, Vered specializes in optimizing organizational performance, leading cross-functional teams, and fostering a culture of continuous improvement. Her deep expertise in customer success, delivery, and strategic partnerships positions her as a key driver of customer value and sustainable growth.
Vered is also the co-founder of COOperation – The Israeli COOs Community, a national leadership network dedicated to advancing operational excellence and executive collaboration across the Israeli tech ecosystem.
Aaron Howell, CTP
Senior Director, Head of North American Sales
Aaron is a proven sales and customer success executive known for helping fleet management and telematics companies emerge as industry frontrunners.
He has driven measurable growth by securing enterprise contracts with multinational clients and championing customer satisfaction boosting scores by 20% and achieving full retention across renewals.
Liron Rosenberg
Chief Business Officer
Liron is an experienced executive with 20 years of expertise in leading global business transformations, strategic partnerships, and key initiatives across diverse industries, with a proven track record of driving innovation and delivering exceptional results.
Liron’s experience includes managing complex post-merger integrations, leading cross-organizational projects, and providing strategic IT and management consulting.
With a thought leadership and client-focused approach, she excels in crafting and executing strategies that drive growth and operational excellence and is passionate about fostering collaboration and exploring new opportunities for business success.
Yohan Albo
VP of Product Management
Yohan Albo is VP of Product where he drives global product strategy and innovation.
A veteran product leader, Yohan brings 25+ years of experience from leading technology companies including HARMAN/Samsung, Oracle, and Sun Microsystems. He holds multiple patents in the automotive space and has contributed to iconic product across mobility, embedded systems, and cloud technologies.
Yohan holds an Executive MBA, a Computer Science Engineer Degree and several professional certifications.
In addition, Yohan has served as strategic advisor to multiple VC-backed startups, blending technical depth with strategic business leadership.
Ortal Zanzuri
Chief Financial Officer
Ortal is a highly experienced CFO with over 20 years in finance management for both startups and multinational public companies.
Proven expertise in establishing and developing finance departments from scratch, managing fund raising efforts, and overseeing budgeting and cash flow. Notable roles include CFO at, VisIC Technologies, and Infinity Augmented Reality, where strategic financial leadership and investor relations were key responsibilities.
Highly skilled in managing complex financial operations, tax strategies, and risk management.
Yuval Shalev
Senior Director, Head of Data Science
Yuval is a Ph.D. Data Science Leader with over 17 years of experience driving AI innovation across startups and global enterprises in the financial and automotive sectors.
Specializes in developing scalable AI products, deep learning systems, and GenAI workflows that translate advanced research into measurable business impact.
He is a published author and patent contributor, recognized for combining technical depth with strategic leadership.
Ben Mark
VP R&D
Ben is a technology leader with deep expertise in large-scale cloud platforms, on-premise infrastructures, security, cost optimization, and high-availability architecture. As VP R&D at Questar, he leads multi-disciplinary engineering teams across cloud, embedded, backend, frontend, and data, driving end-to-end delivery, technical strategy, and reliable, scalable product execution. Previously, Ben served as CTO of a fintech startup transforming account-management workflows, owning all engineering, architecture, and platform strategy. He has led innovative engineering teams at Amdocs and Newrow (acquired by Kaltura).
Vered Mane
VP Sales EMEA
A results-driven executive with extensive experience in telematics, automotive, and big data domains. Vered brings a unique blend of creative strategic thinking and sharp operational execution, with a proven ability to lead cross-functional teams and drive impactful business outcomes.
She is deeply data-oriented, with a strong customer-centric mindset, leveraging insights to shape innovative, scalable solutions. Currently leading Questar’s operations in Israel, Vered previously served as CEO of Meir Leasing – owned by the official importer of Volvo trucks and buses in Israel – where she led large-scale transformation initiatives across fleet management and predictive maintenance.
Her leadership is marked by a strong focus on measurable results, profitability & customer success.
Ronit Gershi
VP Human Resources
Ronit is a dynamic, business-oriented strategic HR leader with over 20 years of experience in global, complex companies.
Expert in cultivating a high-performance culture, inspiring employees, and supporting business goals.
Experienced in leading significant change management, M&As and driving cultural transformation, leading the organization and employees to reach their full potential.
Our Locations
Questar Headquarters:
- 1 Aba Eben Street, Herziliya, 4672519, Israel
Questar North America:
- 407 East Fort Street, Suite 205, Detroit, MI 48226
Questar UK:
- Cubix, 42-50 Kimpton Road, Luton, Bedfordshire, LU2 0FP,
- +44 20 8236 0545
Questar Brazil:
- Av. Pavão, 955 cj. 128 04516-012 São Paulo, Brazil
- +55-11-97490-9086
- contatoobfsctd-63f802@questarbr.com
Become a Reseller
If you’re already in the commercial fleet management game, it’s time to step up your offering.
The next evolution isn’t just connected vehicles, it’s AI-generated informatics that transforms vehicle health. Questar’s Predictive Vehicle Health Management (PVHM) adds value ensuring every vehicle runs at peak performance with AI-powered insights.