Unparalleled expertise

Our leadership team is a dynamic group of strategic thinkers united in the pursuit of a clean energy future.

Amanda Hall


Amanda Hall is the CEO and Founder of Summit Nanotech. Amanda spent years in the oil and gas industry and identified the opportunity to make a significant impact with clean energy.

She is a graduate from University of Toronto - Trinity College with a BSc Biology major and a double minor in Physics and English. She later graduated from the University of Calgary with a BSc Geophysics and has a passion for the environment.

Amanda is on the Advisory Board for Canadian Energy & Climate Nexus (CECN) and sits on the Board of the Chilean Clean Technology Institute. She is a mentor for Canadian Society of Exploration Geophysicists (CSEG) and contributes to the arts as a member of the Board of Directors for the Calgary Opera.

She is a mother to three daughters and loves getting lost in the mountains.

Gautam Parimoo

Chief Operations Officer

Gautam has over 30 years of international experience in the mining and critical minerals industries. He has a proven track record of delivering over $31 billion in capital projects managed in nine countries: USA, Chile, Colombia, Argentina, Africa, Australia, Canada, Peru and India. He prioritizes operational excellence in all of his projects to ensure they’re delivered on time and within budget. He has achieved multi-year Zero Lost Time or environmental incidents and has been recognized for his award-winning health, environmental, and safety performance by the Ministry of Energy and Mines.

He has successfully bridged the gap between clients, contractors and suppliers to improve technologies’ productivity and lower both capital and operating costs. Working internationally, he is proficient in stakeholder management, social responsibility, and sustainability including the engagement of local communities and regional governments.

Gautam is an electrical engineer, speaks six languages, and is a certified six sigma black belt.  

Dr. Kelly Krahulic

VP Technology & Innovation

Kelly Krahulic is a PhD chemist (University of Calgary) with broad expertise in catalyst design, air-sensitive synthetic chemistry, and technical communication. In addition to her deep technical knowledge, she has experience facilitating the smart growth of start-ups through technology development, grant discovery, strategic business development planning, marketing, and management.

Kelly is passionate about unlocking the potential of green technology to provide economic and environmental sustainability for current and future generations. 

In her spare time, Kelly loves spending time with her kids, preferably in the mountains.

Jacob Gryzwacz

P.Eng., MBA
VP Operations

Jacob Grzywacz has worked in the mining and power generation industries for 13 years, gaining experience in operations, maintenance, project management, and organizational transformations. As a seasoned VP of Operations, he is passionate about advancing organizational growth through highly collaborative relationships. 

In addition to Summit, he is also involved in coaching business leaders and developing real estate. 

Outside of the office, Jacob enjoys searching for new adventures with his three children, writing, and mountaineering.

Amanda Sanregret


Amanda Sanregret has spent 15 years in the energy industry and is passionate about socially responsible energy development balanced with communities and the environment. With a foundation in Environmental Sciences, Amanda bridges relations between Industry, governments, and Indigenous peoples.

Adept in communication and engagement, Amanda's relationship-based approach to business development helps build projects that are socially responsible, environmentally sustainable, and support the long-term prosperity of its people. 

Outside of the office, Amanda enjoys spending time with family, hiking, and time at the lake.

Adam Le Dain

VP Strategy & Corp. Development

Adam Le Dain has worked in the energy sector for 8 years including investment banking and private equity roles with a focus on energy transition technologies and technology enhanced assets. During this time, he has gained experience in financial, strategic, investment and business development initiatives with start-ups and mature companies.

Adam has a Bachelor of Commerce degree with distinction from Queen’s University and is a CFA Charter holder. Adam is passionate about advancing global energy development using the most efficient, effective and scalable solutions available.

Melanie McClare

P.Eng, MBA
Executive Advisor, Commercialization

Starting her career in Europe and West Africa, Melanie worked in the industrial sector as a junior chemical engineer.

In 2008, she moved into the modular water and wastewater treatment industry holding various operational, sales and leadership roles.

After her MBA and a role as CEO in a water technology start-up, she started a consulting company in early 2022. Melanie joined Summit Nanotech as Executive Advisor of Commercialization where she focuses on market intelligence, revenue generation and developing the company's global commercialization strategy.  

Dr. Houston Brown

VP Intellectual Property

Dr. Houston Brown is a registered patent agent (CA and US), a patented inventor, and a published researcher. He’s won numerous intellectual property awards and is an active contributor to the profession through his work with Canada’s College of Patent Agents and Trademark Agents.  

Before joining Summit as VP Intellectual Property, Houston practiced at a top-ranked international law firm and then went in-house with a leading global technology provider to deepen his knowledge of the business side of intellectual property.

Houston found his cleantech calling during a post-doctoral fellowship with the US Department of Energy. He also gained first-hand experience of the power that comes from combining interdisciplinary teams, compelling scientific breakthroughs, and sound engineering practices. He’s privileged to have found the same at Summit, and he’s proud to be part of a world-changing cleantech venture.

Outside of work, Houston loves spending time outdoors – the more remote, the better. Wilderness canoeing, back-country hiking, and long-distance cycle touring are at the top of his list.


Summit Nanotech develops technology that will help all of us enjoy a clean future.

Summit Nanotech
10 - 2638 Country Hills Blvd NE
Calgary, Alberta, Canada
T3N 1A7

+1 403-300-6266

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