Highland Highland Materials, Inc. is positioned to be one of the world’s most efficient producers of solar-grade silicon. Highland’s competitive advantage is its patent protected solar silicon purification technology. Highland’s production process has significant environmental advantages as compared with traditional Silicon purification methods. It requires less than half the energy, it produces less than 1/10th the greenhouse gas, and it has no harmful waste or biproducts.Highland's factory in Northeast Tennessee will produce enough solar silicon to manufacture over 9GW of high efficiency solar panels annually. Over time, this will increase to over 13MW. Our Hawkins County location will employ over 400 full-time people and provide excellent career opportunities in this community. We are excited to bring this important manufacturing capacity to the US market. Highland's focus on innovation will be supported by ongoing research and development at our facility and in partnership with world class innovators in North America, Europe and beyond.

Overall responsibility for ESG and sustainability practice development at Mantis. We provide a comprehensive set of program management services including carbon accounting, renewable energy development, green energy procurement and energy efficiency to C&I facilities. We partner with portfolio building owners to set and achieve greenhouse gas reduction goals up to and beyond net zero.

BLUEFIN LLC joined Mantis Innovation in August 2019 - forming a comprehensive facility services platform. Rast was responsible for integration of BLUEFIN into Mantis and also served as Chief Strategy Officer for Mantis - leading the development of overall business strategy. This included evolving the Mantis brand from a collection of five independent companies an integrated facilities solution provider focused on sustainability, energy and facility management.

BLUEFIN, LLC, (now a Division of Mantis Innovation) is a facility asset management company specializing in roofing, pavement and energy issues. BLUEFIN provides strategic roof asset management, pavement management and energy management services to large multi-facility owners in education, banking, food processing, grocery, government, industrial and commercial sectors. BLUEFIN currently provides roof and pavement asset management services on over 1B square feet of space on over 40,000 buildings in the US, Canada and Mexico. These building owners benefit from better performance, reduced cost and improved sustainability. www.bluefinllc.com

Built custom and semi custom web-based marketing solutions for building product manufacturers in the Commercial Construction Industry.

Course director for construction cost estimating and project controls systems.

Provided asset management, major construction project development, and brownfield redevelopment for large government, institutional and industrial customers. Developed and delivered patented asset management tools for facilities and environmental programs to building owners in education, military, industrial manufacturing and commercial sectors. Sold business to EarthTech (now an AECOM Subsidiary) in Sept 2001.

Responsible for developing strategy for business development and project delivery for DOD business in CH2M HILL's new Federal Business Group. Directed overall strategy and account management for approximately $80M in engineering and environmental services for the US Department of Defense.

Provided planning and professional construction management services to government and institutional clients in education, military and civilian government sectors. Developed and deployed automated asset management and cost estimating tools including two patented applications for parametric cost estimating for building construction and environmental cleanup. Authored and published several books on cost estimating and planning for large complex construction programs.

Directed development of project planning and parametric construction cost estimating systems for government and financials services sector clients.