Tamar Capital

Established in London in 2016, Tamar Capital is a single-family office offering integrated risk management, cash management, asset management, and financial planning services. With a diverse portfolio spanning FMCG, manufacturing, real estate, and other sectors across the Middle East, GCC, UK, and US, the company leverages its expertise to generate long-term value and increasingly engages in impact investments.

Karine Sarkissian

Partner

25 past transactions

H3X Technologies

Series A in 2024
H3X Technologies designs and manufactures high-power density electric propulsion systems for aviation and urban air mobility. Its propulsion unit integrates the electric motor and inverter into a single compact module, delivering lightweight, high-performance propulsion suitable for retrofit into existing aircraft designs. The company's systems are geared toward decarbonizing aviation and enabling sustainable flight, with applications also cited in marine and heavy industrial use. Founded in 2020 by Jason Sylvestre, Eric Maciolek, and Max Liben, H3X focuses on advancing electric propulsion to support safer, cleaner aerospace and related sectors.

Zeit Medical

Seed Round in 2021
Zeit Medical is a company focused on advancing the treatment of neurological injuries through innovative technology. Founded in 2019 by Urs Naber and Orestis Vardoulis, the company has developed a specialized headband that continuously monitors the electrical activity of the brain. This device integrates smoothly with existing electroencephalogram (EEG) systems and automates the pre-screening process, facilitating the annotation of extensive datasets. By identifying signature patterns in EEG readings, Zeit Medical enables physicians to diagnose and treat neurological conditions with greater precision, particularly in detecting the onset of strokes.

Fnatic

Venture Round in 2021
Founded in 2004, Fnatic is a global esports entertainment brand that operates professional video gaming teams competing worldwide. It offers gaming equipment such as keyboards, mice, headsets, and mousepads, along with apparel. With offices in London, Belgrade, and Cologne, Fnatic serves as a platform for brands to engage with young audiences.

H3X Technologies

Seed Round in 2021
H3X Technologies designs and manufactures high-power density electric propulsion systems for aviation and urban air mobility. Its propulsion unit integrates the electric motor and inverter into a single compact module, delivering lightweight, high-performance propulsion suitable for retrofit into existing aircraft designs. The company's systems are geared toward decarbonizing aviation and enabling sustainable flight, with applications also cited in marine and heavy industrial use. Founded in 2020 by Jason Sylvestre, Eric Maciolek, and Max Liben, H3X focuses on advancing electric propulsion to support safer, cleaner aerospace and related sectors.

Forward

Series D in 2021
Forward is a startup focused on transforming healthcare delivery by incorporating advanced technologies that have been underutilized in the industry, such as sensors, mobile applications, and artificial intelligence. Founded in January 2016 by former executives from Google and Uber, Forward operates primary care clinics that emphasize personalized patient care. Through its mobile application and natural language processing system, the company enhances healthcare services, offering features like body scanning, genetic screening, real-time blood testing, and home monitoring of vital signs. These innovations empower patients to take control of their health, promote transparency, and foster better collaboration with their primary care physicians. Backed by prominent investors and entrepreneurs, Forward aims to redefine the patient experience in healthcare.

GlacierGrid

Funding Round in 2021
GlacierGrid is a company specializing in energy management solutions. It employs IoT technology for real-time energy usage optimization, helping businesses balance savings, efficiency, and sustainability while reducing their carbon footprint.

Hyperfine

Series D in 2021
Hyperfine is a pioneering medical device company that developed Swoop®, the world's first FDA-cleared point-of-care MRI system. Designed to enhance patient access to critical care, Swoop produces high-quality images rapidly and at a lower cost than conventional MRIs, enabling clinicians to diagnose and treat patients swiftly in various clinical settings.

eSkootr Championship

Funding Round in 2021
eSC is a brand new category of sport that is accessible, dynamic and sustainable.

Grain Technology

Seed Round in 2020
Founded in 2017, Grain Technology offers an alternative credit solution via its mobile application. It provides users with a revolving line of credit based on their income and cash flows, accessible through their existing debit card.

Aspiration

Series C in 2020
Aspiration empowers consumers and enterprises to combat climate change through innovative financial products. With over 6 million consumers, Aspiration offers debit and credit cards that automatically offset carbon footprints of purchases. For businesses, they provide software for carbon footprint monitoring, access to carbon reduction assets, and features to make products carbon neutral.

Legacy

Seed Round in 2020
Legacy is a company focused on transforming male fertility through innovative testing and preservation solutions. Founded by healthcare and fertility experts, Legacy provides home-based kits that allow men to analyze, improve, and preserve their sperm without the need to visit a clinic. Their offerings include sperm analysis and cryogenic storage options, facilitating the preservation of fertility for clients in a straightforward and accessible manner. The company collaborates with leading hospitals, fertility clinics, and progressive employers to ensure high-quality services. Legacy has garnered recognition through various awards, including victories at TechCrunch Disrupt and MassChallenge Boston, and has attracted investment from notable firms such as Bain Capital Ventures and Section 32.

Evrnu

Series A in 2019
Evrnu is a textile innovations company that specializes in producing engineered fibers from discarded clothing. By employing advanced regenerative fiber technologies, the company transforms textile waste into high-quality fiber sources. Its process involves breaking down cotton garment waste to the molecular level and reconstructing it into new, useful products. Evrnu's offerings include regenerative cellulosic and polyester fibers, as well as recoverable stretch materials, which provide significant environmental benefits. Through these innovations, Evrnu aims to create a circular ecosystem in the textile industry, promoting sustainability and reducing waste.

Heart Aerospace

Seed Round in 2019
Heart Aerospace AB, established in 2018 with headquarters in Gothenburg, Sweden, and operations in Palo Alto, California, specializes in developing electric regional airliners certified for passenger flight. The company's mission is to facilitate swift, affordable, and sustainable travel for regional journeys worldwide. Their flagship aircraft, the ES-19, is a nineteen-passenger electric airliner designed with an operating range of 400 km, aiming to reduce fuel and maintenance costs compared to traditional aircraft while emitting zero operational emissions. Heart Aerospace targets commercial operation certification for the ES-19 by 2026.

Pavegen

Equity Crowdfunding in 2019
Pavegen Systems Ltd. develops innovative flooring technology that transforms kinetic energy from footsteps into renewable electricity. Founded in 2009 and based in London with an additional location in Cambridge, the company offers its advanced V3 technology, which maximizes energy output and data capture. This energy can power various applications such as street lights, signage, and communication networks in both indoor and outdoor settings. Pavegen also features PAVEGEN LIVE, an initiative that collaborates with global brands and agencies to showcase its patented technology at events. With over 150 installations worldwide, including notable projects in Washington DC, Pavegen empowers communities by connecting them to sustainability and smart city concepts, fostering a greater understanding of clean energy and its benefits.

Forward

Series C in 2019
Forward is a startup focused on transforming healthcare delivery by incorporating advanced technologies that have been underutilized in the industry, such as sensors, mobile applications, and artificial intelligence. Founded in January 2016 by former executives from Google and Uber, Forward operates primary care clinics that emphasize personalized patient care. Through its mobile application and natural language processing system, the company enhances healthcare services, offering features like body scanning, genetic screening, real-time blood testing, and home monitoring of vital signs. These innovations empower patients to take control of their health, promote transparency, and foster better collaboration with their primary care physicians. Backed by prominent investors and entrepreneurs, Forward aims to redefine the patient experience in healthcare.

Boundary Layer Technologies

Seed Round in 2019
Founded in 2018, Boundary Layer Technologies specializes in constructing high-speed container ships that utilize hydrofoil technology. This innovative approach generates lift and propels the vessel's hull out of the water, significantly reducing drag and enabling faster ocean freight delivery.

Pavegen

Funding Round in 2018
Pavegen Systems Ltd. develops innovative flooring technology that transforms kinetic energy from footsteps into renewable electricity. Founded in 2009 and based in London with an additional location in Cambridge, the company offers its advanced V3 technology, which maximizes energy output and data capture. This energy can power various applications such as street lights, signage, and communication networks in both indoor and outdoor settings. Pavegen also features PAVEGEN LIVE, an initiative that collaborates with global brands and agencies to showcase its patented technology at events. With over 150 installations worldwide, including notable projects in Washington DC, Pavegen empowers communities by connecting them to sustainability and smart city concepts, fostering a greater understanding of clean energy and its benefits.

Rebellyous Foods

Seed Round in 2018
Founded in 2017, Rebellyous Foods produces affordable, high-volume plant-based meat products. It specializes in plant-based chicken nuggets, patties, and strips, serving schools, hospitals, corporate cafeterias, and restaurants.

Candid

Convertible Note in 2018
Candid Care Co. provides at-home orthodontic solutions through the delivery of customized clear aligners. Founded in 2017 and based in New York, with an additional office in Columbus, Ohio, the company simplifies the teeth straightening process by sending clients an impression kit to create models of their smiles. These models are then reviewed by licensed orthodontists who develop a personalized treatment plan and design a set of aligners tailored to the client's needs. Candid's approach allows customers to achieve their desired smile in an average of five months, all without needing to visit a dental office. The aligners are made from Bisphenol A-free plastic, which minimizes irritation compared to traditional braces, making the experience more comfortable for users.

Sepsis Scout

Seed Round in 2018
Sepsis Scout is a developer of a wearable patch designed to predict the onset of sepsis in high-risk patients in home care settings. Utilizing proprietary deep learning technology, the device aims to detect sepsis more accurately than current standards of care. By enabling patients to manage chronic illnesses effectively, Sepsis Scout's solution helps individuals stay out of the hospital and alleviates the fear and uncertainty associated with serious health conditions. The company's focus on artificial intelligence and wearables positions it at the forefront of innovative healthcare solutions.

LiveLike

Series B in 2018
LiveLike Inc., founded in 2015, provides a live streaming platform that enables broadcasters to deliver interactive content to users on mobile devices and virtual reality. Its platform offers sports viewing with replays, commentary, and statistics.

Avro

Seed Round in 2018
Avro Life Science is a Canadian company focused on developing transdermal drug delivery systems, specifically medicated skin patches designed for the pediatric and elderly populations. Utilizing a novel biopolymer as a platform, Avro's technology enables passive delivery of small molecules and drugs directly into the bloodstream, allowing for a slow-release mechanism. This innovative approach aims to enhance medication accessibility while minimizing the impact on the liver, ultimately improving health outcomes and quality of life for its patients.

Aspiration

Series B in 2017
Aspiration empowers consumers and enterprises to combat climate change through innovative financial products. With over 6 million consumers, Aspiration offers debit and credit cards that automatically offset carbon footprints of purchases. For businesses, they provide software for carbon footprint monitoring, access to carbon reduction assets, and features to make products carbon neutral.

Forward

Series B in 2017
Forward is a startup focused on transforming healthcare delivery by incorporating advanced technologies that have been underutilized in the industry, such as sensors, mobile applications, and artificial intelligence. Founded in January 2016 by former executives from Google and Uber, Forward operates primary care clinics that emphasize personalized patient care. Through its mobile application and natural language processing system, the company enhances healthcare services, offering features like body scanning, genetic screening, real-time blood testing, and home monitoring of vital signs. These innovations empower patients to take control of their health, promote transparency, and foster better collaboration with their primary care physicians. Backed by prominent investors and entrepreneurs, Forward aims to redefine the patient experience in healthcare.

Learner-Centered Collaborative

Series C in 2017
AltSchool is an interdisciplinary team of educators, technologists and entrepreneurs building a network of schools that prepare students for our changing world. Each individual school is able to adapt to the needs of students, families and the surrounding community; the larger network connects everyone together and enables a far greater impact in our efforts to improve education. Underlying it all is a platform and curriculum that is personalized to each individual child.
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