Amanda Erickson
Solid Waste Planner/Coordinator | HDR

As part of HDR’s Solid Waste team, Amanda Erickson is passionate about waste reduction, recycling, and organics diversion. She has 13 years of experience working in solid waste, and previous experience working for local government entities focused on solid waste programs and natural resource protection. Amanda has led projects including solid waste management plans, feasibility studies, and statewide evaluations. Such projects focused on organics management, waste reduction, alternative technologies, hazardous waste, and solid waste planning. She supports clients working on innovative projects, including food scraps recycling and wasted food prevention. Amanda brings expertise in communicating solid waste policies and programs with wide-ranging audiences, including drafting reports and memos to communicate complex topics with a variety of audiences and stakeholders. She understands the intricacies of local government, waste regulations, managing waste hauler contracts, and communicating effectively with various stakeholders, including elected officials. She supports projects both locally in Minnesota, as well as nationally as part of HDR’s solid waste planning practice.

Ramana Kari
Executive Director | Solid Waste Authority of Palm Beach County, Florida

Ramana Kari is the Executive Director of the Solid Waste Authority of Palm Beach County (Authority) with more than 30 years of solid waste industry experience.  He is responsible for the overall administration of the Authority with over 400 employees and a budget of $434 million.  He is a licensed Professional Engineer in the State of Florida and a Board Certified Environmental Engineer (Solid Waste specialty).  He holds a Bachelor’s and a Master’s degree in Civil Engineering and an MBA in International Business.  He also serves on the board of the Hinkley Center for solid and hazardous waste management.

Beth Keister
Solid Waste Project Engineer | Olmsted County, Minnesota

Beth A. Keister is a Solid Waste Project Engineer for Olmsted County.  Following a 40-year career designing and permitting solid waste facilities across the U.S. and Asia, including two years as an adjunct professor in environmental science at Bethel University, she is pleased to work with Olmsted County on their growing ash utilization and solid waste programs.  She holds a BSCE from Iowa State University and is a licensed Professional Engineer in the State of Minnesota, with credentials as an Envision Sustainability Professional through the Institute for Sustainable Infrastructure.

Josh Martincic
Senior Vice President of Commercial | Mobius Renewables

Josh Martincic serves as Senior Vice President of Commercial at Mobius Renewables, where he leads the company’s commercial strategy across origination, project development, offtake, and market expansion. He is responsible for driving revenue growth, structuring strategic partnerships, advancing feedstock and customer agreements, and strengthening Mobius’ commercial presence across North America to accelerate the deployment of low-carbon energy solutions.

Prior to joining Mobius Renewables, Josh served as Head of North American Development at EDL, where he led the identification, development, and execution of renewable energy projects nationwide. With more than 35 years of experience in the energy sector, Josh brings deep technical, commercial, and operational expertise to the organization. He holds a degree in Chemical Engineering from the University of Pittsburgh and has completed executive education at Harvard Business School.

Morgan McCarthy
Senior Manager | Raftelis  

Morgan McCarthy is a Senior Manager at Raftelis specializing in solid waste, organics, and recycling systems across the public and private sectors. She partners with cities, counties, and special districts nationwide on programs that balance environmental responsibility with long-term financial sustainability, with core expertise in franchise agreement drafting and negotiation, RFP development, cost-of-service and rate analysis, and municipal code updates.

Morgan's current work reflects the full scope of the field. She is leading the redesign of a non-exclusive franchise system, directing enterprise strategy, rate analysis, and closure planning for active and closed landfill disposal sites, and guiding a metro government through a cost-of-service evaluation of franchise versus open-market collection. Her recent engagements also include a California coastal community's solid waste fee study, a Rocky Mountain city's transition from dual-stream to single-stream recycling, a New Mexico county's landfill rate and viability study, and a major Midwest city's collection planning. This work builds on a deep portfolio of integrated collection procurements, municipal code updates, and solid waste management plans.

Morgan holds a Juris Doctor degree in addition to SWANA's Integrated Solid Waste Management (ISWM) certification and SWANA/CRRA Zero Waste Professional certification.

Luke Procter
Fleet Driver Trainer | Miller Waste Systems Inc., Ontario, Canada 

Luke Procter is a fleet safety trainer for Miller Waste Systems Inc., Ontario, Canada. Luke leads the training and safety management of drivers and has provided outstanding Compressed Natural Gas (CNG) Safety Training not only to the individuals within his districts who operate CNG powered vehicles, but also the maintenance staff and drivers in all divisions across the entire organization. Luke has also reached out and trained the local fire departments throughout to ensure they are trained on proper emergency response to a fire in a CNG Truck. His exceptional delivery of these trainings resulted in his recognition of a SWANA Individual Safety Achievement Award in 2026.

Ahmad Sadri
Energy Recovery Administrator | City and County of Honolulu, Hawaii

Ahmad Sadri is the City and County of Honolulu’s Energy Recovery Administrator, licensed Professional Engineer and certified SWANA MOLO. He has 18 years experience in the planning, permitting, engineering and management of waste-to-energy facilities, landfills and transfer stations. He graduated from North Carolina State University with a Bachelor’s degree in Civil Engineering and Masters degree in Environmental Engineering.

Corina Sheridan
Executive Vice President of Business Development | Viridi Energy LLC

Corina Sheridan is the Executive Vice President of Business Development at Viridi Energy, where she leads strategic partnerships and business growth initiatives focused on renewable natural gas and sustainable waste-to-energy solutions. Viridi Energy develops, owns, and operates renewable natural gas facilities that capture landfill gas and transform it into pipeline-quality RNG, helping reduce greenhouse gas emissions while creating long-term value for communities and partners.

With extensive experience in the solid waste and renewable energy industries, Corina is passionate about advancing innovative projects that deliver environmental and economic value. She is actively involved in SWANA leadership, serving as Chair of the Landfill Gas Technical Division Content Committee, Co-Chair of the Sustainability Technical Division Awards Committee, and lead of the Florida SWANA Chapter Communications Committee. She is dedicated to fostering collaboration, professional development, and industry education.

John Shortreed
Senior Project Developer | Viridi Energy LLC

John Shortreed is a Senior Project Developer at Viridi Energy with nearly a decade of experience in landfill gas-to-RNG project development and execution. He specializes in technical evaluations, process design coordination, and project execution planning for RNG facilities across Viridi’s portfolio. John’s blend of engineering expertise and project leadership supports Viridi’s mission to expand sustainable RNG infrastructure across North America.