Management

  • President

    Andy Cowan

    Andrew Cowan
    Global
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  • Chief Financial Officer (CFO)

    Amy Allen

    Global
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  • Chief Technology Officer

    Brian Knollenberg

    Global
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  • Interim Vice President Manufacturing

    Jerry Gromala

    Jerry Gromala
    Global
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  • Vice President Human Resources

    Carol Nasta

    Global
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  • Vice President Sales

    Carsten Wiedmann

    Photo of Carsten Wiedmann
    EMEA & Americas
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  • Vice President of Sales

    William Hei

    Asia Pacific
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  • Vice President of Information Technology

    Karen Kresonja

    Karen Kresonja
    Global
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  • General Counsel

    Josh Kibe

    Global
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  • Vice President M&A, Strategic Planning

    Mike Wood

    Mike Wood
    Global
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  • VP & GM, Life Sciences Division

    Frank Panofen, Ph.D.

    Frank Panofen
    Global
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  • VP & GM, Electronics Division

    John Davis

    John Davis
    Global
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Mr. Cowan serves as President, Particle Measuring Systems (PMS). This marks a return to familiar territory, as he previously held the position of VP for Finance and Business Development at PMS from January 2016 to October 2018. Previously he served as President of Servomex, a sibling company to PMS. His career also includes significant roles at Spectris PLC, the parent company of both PMS and Servomex. Here he was the Interim Business Group Director and later the CFO of the ISD Division, bridging his experiences between PMS and Servomex.

Amy Allen ha ricoperto diversi ruoli nella contabilità e nella pianificazione e analisi finanziaria nei suoi oltre 10 anni di lavoro alla Particle Measuring Systems, tra cui Senior Accountant, Senior Business Partner, Manager e Director of FP&A. Ha conseguito un BBA in Contabilità e un BBA in Finanza, possiede licenze CPA attive in diversi stati e, prima di lavorare in PMS, è stata revisore contabile per Pricewaterhouse Coopers. Nella sua posizione attuale, le piace sviluppare la business intelligence per il processo decisionale aziendale, la collaborazione interfunzionale e il problem solving.

Mr. Knollenberg si dedica attivamente allo studio e alla ricerca di nuove ed innovative soluzioni per i settori della microelettronica e dell’industria. Nei suoi oltre 15 anni come membro del team Particle Measuring Systems, Mr. Knollenberg ha ricoperto diversi ruoli nei settori della ricerca e sviluppo e nel general management. La sua esperienza professionale include inoltre incarichi nel marketing e nel general management di aziende del settore dell’elettronica. Mr. Knollenberg è inoltre attivamente coinvolto in diverse organizzazioni no profit. Prima di iniziare la sua carriera professionale, è stato arruolato nell’ Esercito degli Stati Uniti d’America. Quando non è al lavoro, trascorre il tempo libero con la sua famiglia e dedicandosi all’escursionismo e alla pesca.

Mr. Gromala has worked in a variety of roles during his years with Particle Measuring Systems, including western sales manager, applications engineering manager and director of service. In his current position, he enjoys corporate strategy development and implementation with a focus on technology and intellectual property creation. Mr. Gromala’s career spans 30 years in the field of lasers and electro-optic technology, and he holds degrees in Engineering and Business. Outside of work, Mr. Gromala enjoys spending time with his family, exercising, playing the guitar and reading history books.

Ms. Nasta è entrata in Particle Measuring Systems a Gennaio 2019 come Vice Presidente delle Risorse Umane. Il suo background nella pianificazione strategica, nella trasformazione culturale, nei programmi di retribuzione, nei benefici e nelle ricompense e nello sviluppo organizzativo abbraccia diversi settori di attività, contesti e industrie, compresa l'esperienza di leadership presso Wells Fargo, Shell Oil, Noodles & Company e Rocky Mountain Institute. Ms. Nasta ha conseguito una laurea in Inglese e in Economia e un MBA presso la University of South Dakota. Al di fuori del lavoro, la Ms. Nasta ama stare con i suoi tre figli e il suo cane, fare trail running e viaggiare.

Mr. Wiedmann brings with him a wealth of commercial and general management experience in global sales and business leadership roles across multiple industries. Most recently, he was with Danaher Group where he was Senior Sales Director DACH at Leica Microsystems. Prior to that, he held international sales and general management roles at Thermo Fisher Scientific and worked at Siemens, where he was responsible for business development and in-house consulting. Mr. Wiedmann earned his Executive MBA at WISO University, Nuremberg, and a Master of Science in Electrical Engineering at FAU, Erlangen. In his free time, he enjoys football (both European and American versions), skiing, swimming, and travel.

Mr. Hei started his career in Particle Measuring Systems as China General Manager and gradually extended managerial scope to entire Asia region. William ever experienced multiple functions is his career, including product marketing, solution sales, segment BU head, GM & board member of listed company. William is experienced in managing hybrid sales and service organization for key account management and solution business development. William is a certified trainer of KornFerry / Miller Heiman sales courses for Spectris Group. During his free-time, William enjoys reading, gym, travelling and spending time with his family.

Karen Kresonja joined Particle Measuring Systems in August 2022 as Vice President of Information & Technology. She transitioned from Spectris plc. where she held various IT leadership positions across the group to drive strategic initiatives, adopt new technologies, and lead M&A IT due diligence. Prior to Spectris, Ms. Kresonja worked for Scantron Corporation as Vice President, IT Operations. Ms. Kresonja holds a bachelor’s degree in Business Administration, is a Project Management Professional (PMP) and is Prosci Change Management Certified. Outside of work, Ms. Kresonja enjoys cycling, spending time with family and walking her dog.

Mr. Kibe è entrato a far parte di Particle Measuring Systems nell'Aprile 2017 ed è responsabile delle funzioni Global Legal, Ethics and Compliance dell'azienda. Kibe ha una laurea in Ingegneria Ambientale conseguita presso l'Accademia Militare degli Stati Uniti e ha conseguito il suo Dottorato in Giurisprudenza presso la University of Colorado School of Law. Kibe ha prestato servizio nell'esercito degli Stati Uniti e ha lavorato nelle vendite prima della scuola di legge. Ha esercitato la professione forense negli ultimi 16 anni, di cui 3 anni presso uno studio legale di Denver e 10 anni prima di entrare a far parte di Particle Measuring Systems a supporto di due aziende Fortune 250 come consulente interno. Quando non è al lavoro, gli piace passare il tempo all'aperto e con la sua famiglia.

Mike joined Particle Measuring Systems in July 2017 and is currently VP responsible for the company’s M&A and Strategic Planning functions. Mike has a degree in Electrical and Electronic Engineering from Napier University in Edinburgh, Scotland. Prior to joining Particle Measuring Systems he spent 25+ years in the Telecommunications industry, with three Fortune 500 companies, at progressive levels of seniority. When not at work, he enjoys spending time with his family and watching soccer.

Mr. Panofen ha una comprovata esperienza come leader apprezzato e di successo nell'industria Life Science, guidando l'attività di Sterility Assurance. Ha un'ampia esperienza nel campo della microbiologia farmaceutica applicata ed è stato invitato come relatore a numerose conferenze internazionali tra cui ECA e PDA, con un forte background normativo nel settore farmaceutico. È inoltre un Responsabile di Laboratorio Microbiologico certificato dall'ECA.


John Davis lavora presso Particle Measuring Systems da oltre 7 anni. Prima di assumere il suo ruolo attuale, è stato Director of Service e Global Applications Engineering Manager per la divisione elettronica di PMS. John ha ricoperto ruoli di product management e R&D nel settore delle apparecchiature per vuoto a film sottile presso Veeco Instruments e Applied Materials. Al di fuori del lavoro, gli piace sciare e fare escursioni.