Welcome to the E-Sharp AB team page – your gateway to discovering the passionate professionals driving innovation in electronics and smart solutions. Here, you’ll get to know the experts behind our cutting-edge products, from design engineers to customer success specialists. Learn more about their roles, experience, and what makes E-Sharp a trusted name in the industry.
Contact usDaniel Rhodin | Founder, CEO and Principal Engineer
Role | Leading the technical development
Short Bio | With nearly three decades of experience in hardware and test development, Daniel Rhodin is the visionary architect behind E-Sharp’s system solutions. His journey spans mobile technology, acoustics, radio standards, and amplifiers—each chapter marked by curiosity and precision. At E-Sharp, Daniel leads with a rare blend of technical depth and creative foresight, shaping products that empower users to do remarkable things. His commitment to thoughtful design and his belief in asking the right questions drive innovation across the company. Daniel’s leadership is not just about getting things done—it’s about doing them with purpose, clarity, and a spark of transformation.
Quote or Motto | “An engineer’s greatest asset is curiosity.”
Key Skills or Focus Areas | System architecture, C# software development, courage and persistance
Fun Fact or Personal Note | Daniel holds a coastal skipper’s certificate—despite never having owned a boat. It’s a fitting metaphor for his mindset: always prepared to explore new horizons, even if the vessel hasn’t been built yet.
Daniel Hansson | Deputy CEO & Senior Director Business Development
Role | Responsible for sales, marketing, and strategic growth at E-Sharp. Part of E-Sharp management group.
Short Bio | Daniel Hansson brings over two decades of experience in sales and marketing, starting from the shop floor and evolving into strategic leadership. At E-Sharp, he drives business development with a sharp eye for customer value and long-term impact. Daniel is both analytical and visionary—skilled at seeing the bigger picture and translating it into actionable strategies. He’s deeply motivated by personal growth and learning, and his curiosity fuels innovation across teams. Known for his positive energy and forward-thinking mindset, Daniel encourages experimentation and continuous improvement, helping E-Sharp stay ahead in a fast-changing landscape.
Quote or Motto | “The only way to fail is not to try.”
Key Skills or Focus Areas | Strategic Thinking, Customer-Centred Development, Change Leadership
Fun Fact or Personal Note | Outside of work, Daniel coaches youth football. Just like at E-Sharp, he puts development at the centre—encouraging big dreams and building confidence, one training session at a time.
Ingrid Castro | Office Manager
Role | Human resources, accounting, procurement, wellbeing and sustainability. Part of E-Sharp mangement group.
Short Bio | With over a decade of leadership experience in healthcare, Ingrid Castro brings a rare blend of operational precision and human-centred leadership to E-Sharp. As Office Manager, she oversees HR, procurement, accounting, and workplace wellbeing, while also serving on the management team. Ingrid is driven by a deep commitment to structure and clarity, believing that well-designed routines empower people to thrive. Her work has been instrumental in E-Sharp’s ISO 9001 and 14001 certifications—laying the groundwork for sustainable growth and innovation. Ingrid’s strength lies in her ability to act swiftly, support her colleagues wholeheartedly, and create environments where development is not just encouraged, but inevitable.
Quote or Motto | “Leading with clarity and warmth towards common goals”
Key Skills or Focus Areas | Strategic leadership, workplace development, compliance and structure
Fun Fact or Personal Note | Ingrid once had lunch with Crown Princess Victoria and Prince Daniel—a royal moment that reflects her knack for being exactly where she needs to be, with grace and confidence.
Martin Johansson | Principal Engineer
Role | Team lead electronic development. Part of E-Sharp management group.
Short Bio | Martin Johansson is a cornerstone of E-Sharp’s electronics development team, bringing over two decades of experience in engineering excellence. Since graduating from LTH in 2002, Martin has guided products from concept to completion with a rare blend of precision and vision. At E-Sharp, he leads product development with a focus on electronics design, verification, and project management. Known for his deep technical insight and calm leadership, Martin’s contributions help shape innovative solutions that are both robust and forward-thinking. His ability to see the full lifecycle of a product—and inspire others to do the same—makes him a trusted mentor and a quiet force of transformation within the team.
Quote or Motto | “It’ll work out.”
Key Skills or Focus Areas | PCB & schematics design, FPGA & VHDL development, signal integrity
Fun Fact or Personal Note | Outside of work, Martin is a dedicated handball coach for his son’s team and a proud father of two. He’s travelled the globe—once completing a full lap around the Earth, mysteriously losing a day in the process. He’s also spent three ski seasons in the Alps and the US, and once played competitive table tennis.
Gustav Kihlberg | Staff Engineer
Role | System engineering, electronics development
Short Bio | With five years of experience in electronic production, verification, and development, Gustav Kihlberg brings a sharp eye for detail and a steady hand to E-Sharp’s test and verification systems. Known for his independent mindset and quality-focused approach, Gustav thrives on transforming complex challenges into elegant solutions. His work ensures that every component functions seamlessly within the whole—an essential contribution to E-Sharp’s commitment to excellence. Whether refining a process or introducing a clever shortcut (like the now-legendary “That-Was-Easy” button), Gustav’s curiosity and adaptability make him a quiet force of innovation.
Quote or Motto | “Every part matters. Every solution counts.”
Key Skills or Focus Areas | Test system development, quality assurance, adaptive problem solving
Fun Fact or Personal Note | Outside of work, Gustav channels his creativity into music and studio engineering. Whether mixing tracks or fine-tuning soundscapes, he finds joy in crafting harmony—both in the studio and in the systems he builds.
Martin Trobäck | Staff Engineer
Role | System engineering, electronics development
Short Bio | Since 2010, Martin Trobäck has been exploring the intersection of electronics, software, optics, and mechanics with a rare blend of curiosity and precision. At E-Sharp, he designs electronics for advanced test stations and leads the development of next-generation AGENT accessories. Martin’s broad technical insight allows him to uncover solutions that others might overlook—transforming complexity into clarity. His work is driven by a deep commitment to making life easier for colleagues and customers alike, and his helpful, upbeat presence is a steady source of support across teams. Martin doesn’t just build systems—he builds trust, innovation, and momentum.
Quote or Motto | “Latest and greatest brakes the bravest.”
Key Skills or Focus Areas | Cross-disciplinary problem solving, electronics design for testing systems, engineering empathy
Fun Fact or Personal Note | Every autumn, Martin makes quince marmalade from fruit grown on his own Cydonia oblonga tree—a fragrant tradition that blends patience, craft, and a touch of sweetness.
Mikael Svensson | Senior Engineer
Role | Test development, implementation & application engineering
Short Bio | Mikael Svensson brings over 15 years of hands-on experience in technical roles, with a deep-rooted passion for embedded systems and cross-disciplinary engineering. Since joining E-Sharp in 2023, he has become a driving force in test development and system implementation, ensuring that complex solutions work seamlessly in real-world environments. Mikael’s strength lies in his ability to see the whole system—mechanics, electronics, and software—and to persistently pursue functionality, even when the path is unclear. His curiosity and collaborative mindset make him a trusted contributor to innovation, always ready to share ideas and learn from others. At E-Sharp, Mikael embodies the spirit of thoughtful transformation.
Quote or Motto | “If you get the chance to do something fun or make a change—take it, even if it’s outside your comfort zone.”
Key Skills or Focus Areas | Embedded systems, system-level thinking, collaborative problem solving
Fun Fact or Personal Note | Outside of work, Mikael blends his love for sport and technology by producing and filming live sports broadcasts. Whether behind the camera or in the control room, he enjoys the fast pace and creative challenge of live production.
Arvid Hjortsberg | Senior Engineer
Role | System engineering
Short Bio | Arvid Hjortsberg joined E-Sharp in 2023 while still completing his studies, and quickly became a driving force in systems engineering. Since becoming a full-time team member in 2024, he has contributed across a wide spectrum—from 3D CAD and test development to project leadership and system design. Arvid thrives on solving complex challenges in close collaboration with customers and colleagues. His curiosity and “can-do” mindset often lead him to ask the questions no one else has thought to pose—unlocking new perspectives and pushing innovation forward. With a calm presence and a collaborative spirit, Arvid brings both structure and spark to every project he touches.
Quote or Motto | “Allt går utom små barn”
Key Skills or Focus Areas | System design, project leadership, software development
Fun Fact or Personal Note | Outside of work, Arvid is a climber, drummer, and self-proclaimed renovation enthusiast. Whether scaling a wall or reimagining a living space, he finds joy in building things—both literally and figuratively.
Felix Granvik | Junior Engineer
Role | Mechanical engineering
Short Bio | Felix Granvik is a Mechanical Design Engineer at E-Sharp, where he brings precision, creativity, and a hands-on mindset to every project. With two years in the role and a background in engineering studies, Felix is the driving force behind the mechanical aspects of E-Sharp’s product development. His passion for problem-solving and design fuels innovation across the team—from 3D modelling and prototyping to setting up advanced tools like CNC milling and laser cutting. Felix doesn’t just build; he transforms ideas into tangible, manufacturable solutions that elevate E-Sharp’s design capabilities.
Quote or Motto | “Design is where imagination meets engineering.”
Key Skills or Focus Areas | CAD & 3D printing, design for manufacturing, mechanical problem solving
Fun Fact or Personal Note | Outside of work, Felix channels his creativity into the kitchen. He’s passionate about Neapolitan pizza and has hosted several pop-up pizzeria nights in his flat—turning dough and fire into unforgettable experiences.
Elsa Rhodin | Customer Success Manager
Role | Responsible for customer support and management.
Short Bio | Elsa Rhodin brings a calm clarity to the dynamic world of customer success. With several years of experience in client relations and service, she’s a steady force behind E-Sharp’s commitment to excellence. Elsa’s strength lies in creating structure where others see complexity—streamlining processes, managing administrative tasks, and nurturing meaningful customer connections. Her approach is thoughtful and collaborative, always seeking ways to simplify and improve. Elsa believes that innovation begins with order, and her work lays the foundation for smarter, more agile solutions across the organisation.
Quote or Motto | “Structure is the quiet engine behind every great idea.”
Key Skills or Focus Areas | Customer relations, process optimisation, collaborative problem-solving
Fun Fact or Personal Note | Elsa is an avid traveller with a deep fascination for languages and cultures. Whether wandering through ancient cities or chatting with locals in a new dialect, she finds joy in discovering the unexpected.
