Research in printed electronics technology has led to growing commercial interests due to costeffective and environment friendly manufacturing. IoT devices have been one of the prominent areas of application for printed electronics as low cost and environmentally devices are sought for these applications. However, there is no commercially available all printed IoT devices today. Sensors are the only printed elements used in some IoT devices. The main obstacle to achieve all printed IoT devices is the poor performance printed thin film transistors (TFTs). As transistors are the building block of most of the electronic devices, it is important to develop high performance printed TFTs to make all printed IoT devices a reality. The tutorial session is intended to identify the root causes of some of the limitations associated with development of high performance printed TFTs and propose methods to circumvent them. It will cover comparison of conventional technologies, materials used for printed TFTs, their limiting factors and present emerging materials and technologies that can overcome those limitations. It will also cover how new circuit topologies can improve performance of printed TFTs. The tutorial will present some examples of high performance printed TFTs from the literature (with some from the author’s laboratory). At the end, the tutorial will allow the attendees to brainstorm on possible ways to improve the performance of a specific printed TFT. There is an emerging body of research investigating printed TFTs to fabricate all printed useful electronic devices such as amplifier, microcontroller and memory. However, performance of printed TFTs is poor compared to their microfabricated counterparts. This is due to many factors such as the accuracy, resolution, uniformity and repeatability limitations of printing processes, low carrier mobility of printable semiconductor materials, environmental instability of printable materials, low dielectric constants of printable dielectric materials, adhesion issue between two printed layers. By attending the tutorial the researchers will understand the concept of printed TFTs and will be able to identify basic limitations of printed electronics technology to develop high performance TFTs. They will learn how new materials, fabrication processes and advanced circuit topologies can overcome these limitations. Overall, they will acquire knowledge necessary for design and development of high performance TFTs.