Our Team


  • Dr. Daniel Anderson

    MIT Associate Professor, David H. Koch Inst. for Integrative Cancer Research

    Dan received his Ph.D. in molecular genetics from the University of California at Davis. At MIT, he pioneered the use of robotic methods for the development of smart biomaterials for use in medical devices, cell therapy and drug delivery. In particular, the advanced drug delivery systems he has developed provide new methods for nanoparticulate and microparticulate drug delivery, non-viral gene therapy, siRNA delivery, and vaccines.

    Dan currently is the senior scientific advisor for the Living Proof discovery group as well as senior advisor on the company's intellectual property strategy.

  • Jon Flint

    Chairman and Co-Founder, Living Proof
    Co-founder and General Partner, Polaris Partners

    Jon originated Living Proof's vision of assembling a team of medical and biotech scientists to develop advanced technology for consumer hair products. Jon served as CEO of Living Proof from November 2010 through December 2011. He is also the co-founder and a managing general partner of Polaris Partners, a $3 billion venture capital fund with offices in Boston, New York City, and San Francisco. Jon's current board seats include Athletes' Performance and JibJab Media.

  • Dr. Robert Langer

    Co-founder and Board Member, Living Proof
    MIT Institute Professor

    Dr. Bob Langer is one of only 13 MIT Institute Professors and the pioneer of tissue engineering and drug delivery through the skin without needles. His research has led to treatments for over 10 million patients. With his name attached to over 800 patents and thousands of articles, Bob is the most cited engineer in history. In addition to over 210 awards, Bob holds the distinction of being the youngest person ever elected into all three National Academies (science, engineering and medicine). He has been named one of the 18 most important people in science or medicine and one of 15 innovators who will reinvent the future. Bob is a co-founder, Chief Scientific Advisor and idea generator for the scientific discovery at Living Proof.

  • Dr. Amir Nashat

    Partner, Polaris Partners

    Amir has been investing in technology breakthroughs at Polaris since 2002. During this time, he has helped start companies in areas ranging from bioactive devices to stem cells to consumer devices to energy. As the startup CEO of Living Proof (then named Andora), Amir led much of our early technological innovation and creation. Prior to joining Polaris, Amir did basic research on advanced composite materials and bioactive micro-machines at UC Berkeley, and polymers and neural stem cells at MIT.

  • Mitch DeRosa

    Stylist and Owner, Mitchell John Salon

    A hairstylist and color expert for over 25 years, Mitch trained alongside the top hairstylists in North America and Europe before launching his own salon, Mitchell John Salon in 1989, located in Boston's Financial District. Over the years, Mitch has worked with such magazines as Italian Vogue, German Elle, and Harper's Bazaar as well as with models and celebrities, including Gisele Bundchen, Natalia Vodianova and Daria Werbowy. Mitch is actively involved in all areas of Living Proof's business including technology screening and product evaluation across our hair programs.

  • Ward Stegerhoek

    Editorial and Runway Stylist

    Ward began his career as a teenager styling hair in some the most progressive salons in Amsterdam. Trained at the Vidal Sassoon Academy, he quickly realized that his interest was in styling for editorial and runway and made his way to Paris. Since then, he has worked around the world for Vogue, Harper's Bazaar, Numero, Elle, Marie Claire and Allure. He has also been the creative stylist on the runway shows for Jean Paul Gaultier, Fendi, Dolce & Gabbana, Valentino and Donna Karan; he's also worked with some of the world's top photographers and celebrities, including Scarlett Johansson and Penelope Cruz. Ward spent seven years as art director and product developer for Bumble & Bumble. Today, Ward is working on new product development at Living Proof.


  • Zach Rieken

    Chief Executive Officer

    Hometown: Springfield, Missouri

    Education: BA in Broadcast Journalism from the University of Missouri - Columbia

    CV highlights: over two decades working on some of the world’s best brands

    Spin this: early in his career, he moonlighted as a DJ in LA. He still has over 2,000 vinyl records (and, yes, he moved them all with him to Boston)

    Travels with: his better half Chad and their dog-daughter Ruby, searching out the best restaurants in any city

    Find him on his vacation days: on the slopes (skiing) or in the water (scuba diving)

  • Michelle Brett

    Senior Vice President of Retail Sales

    Michelle brings over 15 years of experience in driving sales growth and launching brands in the retail sector. Prior to joining Living Proof, Michelle launched and built several successful independent beauty brands including Jonathan Product, Caudalie and L'Occitane, managing various aspects of sales including brick & mortar, electronic retailing, wholesale and b2b. Today, Michelle oversees the planning and execution of Living Proof's global sales and education strategy.

  • Peter Plaisance

    Vice President of International Sales

    Peter brings over 15 years of experience leading and coaching diverse sales teams and helping organizations achieve long term goals. Prior to joining Living Proof, Peter was the Commercial and Business Development Director for L'Oreal Asia, where he oversaw these functions in all 7 ASEAN countries, including management of brand priorities and development of go-to market strategies. Peter has a bachelor degree from University of Colorado.

  • Jon Shore

    Chief Financial Officer

    Jon brings 20 years of experience in accounting, finance, and strategic management to Living Proof. He has experience in both the high tech and biotech industries in raising venture equity and has led efforts to secure several debt facilities at prior organizations. Most recently, he served as Vice President of Finance and Operations for Rhytec, a medical device manufacturer. Prior to this position, he also held senior finance and operations positions at several start-up organizations. Jon began his career in public accounting at Deloitte and Touche and is a CPA. At Living Proof, he is responsible for all of the financial, administrative, and logistical operations.