cosinuss° – The vital signs company

Pioneer of mobile and continuous measurement of vital parameters in the ear

About us - Headquater in Munich

Who we are

Cosinuss GmbH is a certified medical technology company based in Munich that specializes in mobile real-time monitoring of vital parameters. Vital parameters are measures for the vital functions of the human body, such as breathing, cardiovascular function and heat balance. For this purpose, the highly motivated team develops proprietary in-ear sensors, gateway solutions, algorithms and a Health platform.

More than twelve years of research and development form a solid foundation for the company. Numerous patents and medically certified products make cosinuss° a pioneer in the field of mobile monitoring.

The main field of application for the monitoring solutions is digital healthcare. We follow the vision to fill the white gaps of vital signs monitoring in healthcare.

Our vision

cosinuss° transforms the ear into the central interface to everyone’s health in a world of connected and mobile health.

The healthcare industry is facing a major transformation and we will be a part of it. We are convinced that sensors for mobile and continuous measurement of vital parameters can significantly improve and expand primary care. And not only this: they can also significantly improve the diagnosis, treatment and rehabilitation of patients in preventive healthcare. Our technology can be at the heart of a better, patient-centric healthcare system.

Our team

Innovating continuously while having a lot of fun.

We are a team of highly motivated electrical engineers, data analysts, designers and marketers who firmly believe in the enormous potential of cosinuss° technology and see the meaningfulness of our work. This drives us to provide our customers with access to this valuable technology.

An experienced medical engineer, father and guitar fanatic on a mission to use his God-given gifts to help others by creating meaningful things.
An entrepreneur by heart, mother and perfectionist. Greta loves to create new things and to manage our innovations on- and offline.

Software & Firmware

A scientist by heart, perfectionist and proud father, Tim uses his brains to bring the sensing ability of our devices to perfection.
ThomasElectrical engineer
Thomas is an electrical engineer, fitness lover and pizza and noodles stasher. From South Tyrol, not Italy!
FelixSoftware Development
Felix studied medical physics, has work experience in hearing aid development and is now developing software with Python. He is a bit addicted to Indian curry and making music.
SophieSoftware Development
Sophie takes care of studies, data analysis & software. She is always enthusiastic about new ideas in the field of sustainability, books, live music & licorice. Claims to come to the office by bicycle, but sometimes secretly takes the subway.
NikolaiSoftware Development
Nikolai is a software engineer and takes care of the development in Python and JavaScript. When he’s not programming, he works passionately on his rock star career as a drummer.
LuccaSoftware Development
Lucca is a working student (electrical engineering, TUM) and takes care of the integration of external devices into the cosinuss° ecosystem. When he’s not drumming to gospel songs in church, you’ll probably find him on a calisthenics court or on his road bike.

Hardware & Construction

A passionate electrical engineer with lots of experience that he uses to constantly improve products. Leo is also father, tea drinker and an archer.
DavidProject Engineer
David not only takes care of our prototypes as project engineer, but also of his ultimate frisbee career and climbing the Alps.
EmadElectrical Engineer
Coming soon

Data Analysis & Algorithmics

AxelData engineer
Axel left Siemens to work for cosinuss°. A Basketball player/trainer at heart, he loves to work in the field of sports & health.
ClaraData engineer
As working student Clara is responsible for accelerometer analysis & data validation. Her passions are music, concerts and photography. Her refuge is the (mediterranean) sea.
DavidSports science
David is a sports science and exercise student who went from playing with balls to having fun with ear sensors at cosinuss°. He loves to go out of tune when singing.

Quality Management & Certification

ZinaidaQuality Management & Regulatory Affairs
As quality manager, Zinaida is responsible for the implementation, regular control & compliance with medical approvals. For recreation, she likes to spend her spare time with her family, out in the sun or travelling.
RalphMedical engineer
Ralph is responsible for ensuring compliance with quality management processes and regulatory affairs for medical wearables. The hobby triathlete loves sports as much as he loves good food.


Birgit is a specialist assistant in tax and business consulting professions with advanced training in balance sheet accounting. Her innovative and versatile interest puts the figures into the right perspective. If not with the numbers or in the mountains you can find her on the yoga mat or teaching yoga.


IncinurBusiness Development
Experimental scientist by training, insatiably curious by nature. Inci loves endurance sports, good coffee and innovative technologies that offer meaningful solutions for health. Now focusing her energy to foster B2B business growth.
MichaelData engineer
From CERN to Cosinuss°, Michael is a trained particle physicist with a passion for big data analysis and measurements. And happy to be back in Munich close to all his favorite spots: Isar, Theresienwiese, and Untergiesing.
HannaData scientist
Hanna is a biological data scientist, who enjoys gym workouts, music and nature.

Business Development

KatharinaProject Manager
As a well-traveled tourism manager and bartender, Kathi brings dynamic drive to the company. She loves to spend her free time in the mountains and at the Isar with her little animal welfare dog Pixi.

Marketing & Design

GerritDesign and Marketing
The Design Guru himself, creating awesome things. Great design, art, food and ease are his passion.
MelanieOnline Marketing
As M.A. communication science and online marketing expert Melanie takes care of our website. When she’s not picking lettuce from her own greenhouse, you can probably find her either at the sewing machine or jogging.
NicolasHealth Management
Nicolas has a business background and is currently a public health master student (LMU, Munich). A health enthusiast, both in his private and professional life, sees technology as an opportunity to improve overall fitness and health in the population.
TeresaClinical research
Teresa is studying human medicine at the LMU. She also has a background in business administration and health economics (M.Sc.). She loves to spend her free time in the countryside with her dog Heidi. In the summer, you rarely see her on dry land, as she is a real water rat.

How we work

We have defined our values together and live them every day. This is evident not only in our dealings with each other, but also in all our work.


We are happy to take on responsibility. If necessary, we spread it over several shoulders.

Respect & Appreciation

Each individual is recognized and valued in his or her actions. We motivate each other and accept mistakes.


We can openly address problems. Other opinions are taken seriously and are discussed.


We are constantly developing ourselves, our processes and our ways of working. We are also happy to tackle new subject areas.


We are flexible in our way of working, thinking and acting. We seamlessly adapt to changed frameworks and situations.

Orientation & Transparency

We know what we do, how we do it and what we do it for. Information is shared within the team.


Most importantly, we have fun at work! That’s what unites us.


We are constantly on the lookout for new “cosinusses” who will support us on the way to our vision with their motivation, knowledge and good humor.