Sigma Labs, Inc. appointed Justin Joiner as the Company’s new Business Development Manager, Americas. Mr. Joiner will be responsible for developing key accounts through the Company’s Rapid Test and Evaluation Program and for bringing PrintRite3D INSPECT into deployment across serial production operations in North and South America. Mr. Joiner was South Region Manager at SLM Solutions NA, Inc. In addition, Justin worked in sales and business development for several industry resellers representing MarkForged, Stratasys and Solidworks products.