Our Leadership Team

Founder & President


Mark S. Laska, Ph.D.

Dr. Mark Laska is a visionary and leader in the environmental industry, pioneering ecological consulting and introducing innovative nature-based solutions over the past two decades. His early concept of bringing an ecological approach to habitat design lead to the formation of Great Ecology in New York City in 2001. Initially focusing on restoration ecology in urban habitats in the North Eastern US, Dr. Laska has now expanded both his work and company across the United States and internationally. Dr. Laska continues to lead Great Ecology from its current San Diego headquarters as it surpasses 20 years in operation and celebrates more than 1,000 projects completed.

Julie Johnstone, MLA, MRP

Associate Director of Design

Davis Ladd

Associate Director, Marketing & Business Management

Liz Clift, MFA

Operations Manager & Science Communication Officer