- Currently serves as President of the non-profit
- Health, allergy, horticulture consultant for cities, schools, hospitals, pharmaceutical companies, designers, nurseries, and occasionally for individuals
- Expert in identifying the sex of landscape plants.
- Originated OPALSTM (Ogren Plant Allergy Scale) – the first plant-allergy scale; measures the allergy potential of all garden and landscape plants and is now used by, among others, the American Lung Association and the USDA Urban Foresters.
- Author of “Allergy Free Gardening” and “Safe Sex in the Garden.”
- Recently completed a coast-to-coast urban forest allergy-audit of the eleven major cities in Canada for Johnson & Johnson.
- Former co-owner of Ogren Brothers Nursery in Minnesota.
- California Polytechnic State University (MS – Agriculture, Horticulture)