Hoya Lens Switzerland Service Team

Our team is pleased to provide you, as an optician, with consultations regarding any questions you might have about lenses

For us, skilled consultation and good service are important elements and are part of our company philosophy. We work constantly to improve in this area and to continuously ensure our high standards of quality.

If you have any questions or suggestions, please let us know. Our goal is for you to be completely satisfied with our quality services.

We are at your disposal and are glad to take the time for an in-depth consultation.

You can reach us at the fax or phone numbers below

Monday to Friday from 9:00 AM to 12:15 and 1:15PM to 6:00 PM.

Phone: +41 0 800 81 7171

Fax: +41 0 800 81 5241

or by email:

Get to know our team

We are pleased to provide you, as an optician, with informations on all issues regarding our lenses.

Nathalie Pross

Customer Service

Nathalie Pross is a trained optician and previously worked in our lens grinding workshop. Workshop activities have been part of her job for several years. From everyday assembly work to remote edging, tricky sports and fashion frames and rimless spectacles – these were all part of her job. After many years in the workshop, in December 2015 Mrs Pross moved across to our customer advice service and now advises opticians about our spectacle lenses.

Having trained as an optician, Mrs Pross worked as an external sales executive for spectacle frames before she came to Knecht & Müller in 2006.

As well as spending time with her daughter, she enjoys her leisure time in the mountains in winter and in the waters of the Rhine and Lake Constance in summer.

Michael Märtens

Technical consultant

Mr Märtens is a qualified optician with over 12 years’ professional experience in both workshop and sales (including 8 years in Switzerland).

Since 2001, Mr Märtens has worked as a technical consultant in the optical industry, since 2007 for Knecht & Müller, today for Hoya Lens Switzerland. Mr Märtens works in our Product Consulting and Complaints Processing department, where he advises opticians about all aspects of our spectacle lenses in German and French.

His hobbies include: digital photography and travel.

Doris Roetheli Thorn

Customer service

Doris Roetheli Thorn is multilingual and advises opticians from all over Switzerland in German, French and Italian.

Mrs Roetheli has been employed by Knecht & Müller AG for over 36 years, continues to consult opticions for Hoya Lens Switzerland today. Over this period of time, she has experienced different exciting developments in vision care and some customers have known her since she first started working for the company.

And what can be said about her private life? She is animal-mad, a bookworm, ski freak, passionate hobby cook, happily married for 7 years and mother to a grown-up son.

Doris Roetheli Thorn 2016 klein

Serpil Selvi

Customer service

Serpil Selvi is a trained optician and has been with Hoya Lens Switzerland AG since December 2021.

With more than 10 years of professional experience in the optical retail trade and in the ophthalmological field, Ms Selvi has acquired a solid optical expertise. Now, on behalf of Hoya Lens Switzerland AG, she advises eye specialists throughout Switzerland on technical questions and complaints in German and English.

Outside of work, she loves to cook and bake for her family. She is an absolute lover of gourmet cuisine. Ms Selvi also loves meeting new people and exploring new cultures. Not to forget her fascination for classical ballet; “it should be as classical as possible e.g.:  Nutcracker or Swan Lake”.

Our Sales Team

Fabio Figliucci

Regional Sales Manager German-speaking Switzerland and Ticino

Fabio Figliucci is a qualified optician and has worked in external sales at Knecht & Müller since May 2015. He is primarily to be found on the road in German-speaking areas of Switzerland and Ticino.

For 13 years, Mr Figliucci proved himself as a contact lens assistant working for a well-known opticians’ practice, both in the workshop and sales.

In his spare time he enjoys cooking and food. Included in his sporting activities are the martial arts Kung Fu and Eskrima, which he has been practising for 5 years.

Daniel Sager

Regional Sales Manager Central Switzerland

Since the beginning of 2018, Daniel Sager has been on the road for Hoya/Knecht & Müller as a Regional Sales Manager, specialising in Hoya spectacle lenses and equipment. In this capacity, he looks after opticians in the areas of the Swiss Plateau as well as Northwestern and Central Switzerland.

Over the last 27 years, this qualified optician has been able to gather experiences in the retail trade and the optical industry from the most varied of perspectives.

Mr Sager, who lives in the Canton of Lucerne, is the father of two daughters, loves long walks and cycling, as well as listening to music and audio books. He is also a very passionate barbecue chef.