Boris Monahov has spent 39 years in the service of the lead–acid battery industry. For 25 years, he was involved in R&D with Prof. Pavlov at the Bulgarian Academy of Sciences. There followed 6 years of battery development and production with Firefly Energy Inc., USA, and then 9 years as Program Manager of the Advanced Lead-Acid Battery Consortium. He became a battery consultant in 2019. Boris is a member of the Technical Committee of Tydrolyte, USA, and more recently joined WaveTech GmbH as its Chief Scientific Officer.