Mark Krupka:

A published author, sought after lecturer and current President of the National Association of Pond Professionals, Mark brings over 30 years’ experience to Ask the Experts.  Mark has extensive experience in the design, operation, and control of biological systems as well as the function of microbes in natural aquatic environments.  His experience includes over twenty years performing pilot and full-scale studies to assess the treatability of organic waste streams, lagoons, ponds, and fish farms.  He also worked extensively in the field of biochemical process engineering and microbe selection to optimize biological system performance and microbial ecosystems.

Doug Dent:

With over 32 years in the bio technology sector with the former bio technologies market leader, Sybron Biochemical, Doug brings a high level of technical knowledge to Ask the Experts.  At Sybron,  Doug was the Director of Institutional, Household and Commercial products.  Doug is the Vice President-Sales of Ecological Laboratories and is passionate about educating consumers so that they can use the right products for their Pond and Aquarium needs.

Carolyn Weise:

Carolyn brings a wealth of experience and an unrivaled passion for Pond Keeping to Ask the Experts.  The liaison to Koi and Water Garden Clubs in the US and Canada, a published author, photo journalist and long-time hobbyist, Carolyn’s love of Ponds and her real world hands on experience with Pond Keeping allows Carolyn to provide our consumers with practical, beneficial advice for the betterment of their ponds.  A transplanted New Yorker, Carolyn lives in Cape Coral, Florida.

Karin Berke:

With over 17 years in the Pet Trade, Karin brings a wealth of practical experience to Ask the Experts.  Karin began her career in retail sales and management working for some of the largest independent Pet Retailers in the Philadelphia area.  She has extensive maintenance experience, having serviced fresh and saltwater aquariums in offices.  She was also a Lab/Quality Control Technician for one of the Aquatic Industry’s leading product developers and manufacturers and has significant technical, sales support and customer relations experience.

Scott Berke:

With over 25 years in the Pet Trade, Scott has seen pretty much everything that can be seen with Aquariums, and that experience will make him a valuable member of the Ask the Experts Team.  Scott has worked in retail sales and management, aquarium service, technical service and sales.  Scott is an experienced hobbyist, with a particular interest in reptiles.  Most importantly, Scott has tremendous experience in installing, maintaining and improving aquariums.

Delvia Lukito:

A Chemist, National Dean’s and Chancellor’s list student and quality control/lab manager here at Ecological, Delvia’s focus is on quality control, research and development, FDA and EPA compliance and Best Practices.  With a focus on Biochemistry, Delvia brings an added dimension to Ask the Experts.