moted to product manager, silanes and
metal-organics. Both report to Joel Zazy-czny, vice president, Silanes, silicones and
metal-organics.
As product manager, silicones, Kimble is responsible for the development of
new business for Gelest’s polymeric materials. He joined Gelest in 1998 in the
company’s development group. Thereafter, he assumed
positions of increased responsibility until he was
promoted to production supervisor,
then to applications
and polymer development manager in
2004. In this position, he headed
Gelest’s silicone
R&D group, working to develop new
siloxane-based polymers, until he was
assumed his current position.
As product manager, silanes and metal-
Barbara Tsuie
organics, Tsuie is responsible for the development of new business for Gelest’s
wide range of functional and non-func-tional alkyl silane compounds and for the
company’s greatly expanded range of
metal-organic compounds for materials,
polymers and synthesis. She joined Gelest
following a successful 10-year tenure at
Equistar Chemicals (now LyondellBasell)
in Cincinnati, OH.
Arkema Emulsion Systems
hires North American
marketing manager
Arkema Emulsion Systems has an-
nounced the addition of John Hiel as the
new North American marketing man-
ager. Hiel will be responsible for pro-
gram management, strategy and tactics
across the region for all of the company’s
emulsion product lines. He has 20 years’
experience in the industry, including po-
sitions with both BASF, where he was in-
dustry manager for performance
chemicals in the Coatings division, and
with LORD Corporation.
Stephane Ryff joins U.S.
Zinc and Votorantim
Metais to spearhead zinc sales
in Europe
U.S. Zinc and Votorantim GmbH, both
subsidiaries of Votorantim Metais, have
named Stephane Ryff regional sales
manager-Europe for both companies.
Based in Austria, Ryff will be responsible for U.S. Zinc’s zinc oxide sales and
Votorantim GmbH’s zinc metal sales
throughout Europe. Having spent the
last 15 years in sales and marketing
management, Ryff most recently worked
for three years as European marketing
and communication manager for Invista
Resins & Fibres in Hattersheim, Germany, a leader in plastic manufacturing.
Throughout his career, he has held numerous sales, marketing and strategy positions with manufacturers including
Mondi Group, Alcan, Iggesund Holmen
Group and Aptar. CW
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