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Dive into the research topics where Jagjit Singh Srai is active.

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International Journal of Operations & Production Management | 2008

A supply network configuration perspective on international supply chain development

Jagjit Singh Srai; Mj Gregory

– The purpose of this paper is to explore the impact of configuration on supply network capability. It was believed that a configuration perspective might provide new insights on the capability and performance of supply networks, a gap in the literature, and provide a basis for the development of tools to aid their analysis and design., – The methodology involved the development of a configuration definition and mapping approach extending established strategic and firm level constructs to the network operational level. The resulting tools were tested and refined in a series of case studies across a range of sectors and value chain models. Supply network capability assessments, from the perspective of the focal firm, were then compared with their configuration profiles., – The configuration mapping tools were found to give new insights into the structure of supply networks and allow comparisons to be made across sectors and business models through the use of consistent and quantitative methods and common presentation. They provide the foundations for linking configuration to capability and performance, and contribute to supply network design and development by highlighting the intrinsic capabilities associated with different configurations., – Although multiple case networks have been investigated, the configuration exemplars remain suggestive models. The research suggests that a re‐evaluation of operational process excellence models is needed, where the link between process maturity and performance may require a configuration context., – Advantages of particular configurations have been identified with implications for supply network development and industrial policy., – The paper seeks to develop established strategic management configuration concepts to the analysis and design of supply networks by providing a robust operational definition of supply network configuration and novel tools for their mapping and assessment.


Journal of Pharmaceutical Sciences | 2015

Future Supply Chains Enabled by Continuous Processing - Opportunities and Challenges. May 20–21, 2014 Continuous Manufacturing Symposium

Jagjit Singh Srai; Clive Badman; Markus Krumme; Mauricio Futran; Craig Johnston

This paper examines the opportunities and challenges facing the pharmaceutical industry in moving to a primarily “continuous processing”-based supply chain. The current predominantly “large batch” and centralized manufacturing system designed for the “blockbuster” drug has driven a slow-paced, inventory heavy operating model that is increasingly regarded as inflexible and unsustainable. Indeed, new markets and the rapidly evolving technology landscape will drive more product variety, shorter product life-cycles, and smaller drug volumes, which will exacerbate an already unsustainable economic model. Future supply chains will be required to enhance affordability and availability for patients and healthcare providers alike despite the increased product complexity. In this more challenging supply scenario, we examine the potential for a more pull driven, near real-time demand-based supply chain, utilizing continuous processing where appropriate as a key element of a more “flow-through” operating model. In this discussion paper on future supply chain models underpinned by developments in the continuous manufacture of pharmaceuticals, we have set out; The significant opportunities to moving to a supply chain flow-through operating model, with substantial opportunities in inventory reduction, lead-time to patient, and radically different product assurance/stability regimes. Scenarios for decentralized production models producing a greater variety of products with enhanced volume flexibility. Production, supply, and value chain footprints that are radically different from todays monolithic and centralized batch manufacturing operations. Clinical trial and drug product development cost savings that support more rapid scale-up and market entry models with early involvement of SC designers within New Product Development. The major supply chain and industrial transformational challenges that need to be addressed. The paper recognizes that although current batch operational performance in pharma is far from optimal and not necessarily an appropriate end-state benchmark for batch technology, the adoption of continuous supply chain operating models underpinned by continuous production processing, as full or hybrid solutions in selected product supply chains, can support industry transformations to deliver right-first-time quality at substantially lower inventory profiles.


International Journal of Operations & Production Management | 2015

Manufacturing in the world: where next?

Louis Brennan; Kasra Ferdows; Janet Godsell; Ruggero Golini; Richard Keegan; Steffen Kinkel; Jagjit Singh Srai; Margaret Taylor

Purpose – The past three decades have seen the transformation of manufacturing involving its global dispersion and fragmentation. However, a number of recent developments appear to suggest that manufacturing may be entering a new era of flux that will impact the configuration of production around the globe. The purpose of this paper is to address the major emerging themes that may shape this configuration and concludes that most of them are still in their initial stages and are not likely to create a radical shift in the next few years in how manufacturing is configured around the world. These themes were presented in a special session on “Manufacturing in the World – Where Next?” at the 2013 EurOMA Conference in Dublin, Ireland. Design/methodology/approach – The paper provides a series of perspectives on some key considerations pertaining to the future of manufacturing. An evaluation of their likely impact is offered and insights for the future of manufacturing are presented. Findings – The importance of...


International Journal of Production Research | 2016

Distributed Manufacturing: scope, challenges and opportunities

Jagjit Singh Srai; Mukesh Kumar; Gary Graham; Wendy Phillips; James Tooze; Simon Ford; Paul Beecher; Baldev Raj; Mj Gregory; Manoj Kumar Tiwari; B. Ravi; Andy Neely; Ravi Shankar; Fiona Charnley; Ashutosh Tiwari

This discussion paper aims to set out the key challenges and opportunities emerging from distributed manufacturing (DM). We begin by describing the concept, available definitions and consider its evolution where recent production technology developments (such as additive and continuous production process technologies), digitisation together with infrastructural developments (in terms of IoT and big data) provide new opportunities. To further explore the evolving nature of DM, the authors, each of whom are involved in specific applications of DM research, examine through an expert panel workshop environment emerging DM applications involving new production and supporting infrastructural technologies. This paper presents these generalisable findings on DM challenges and opportunities in terms of products, enabling production technologies and the impact on the wider production and industrial system. Industry structure and location of activities are examined in terms of the democratising impact on participating network actors. The paper concludes with a discussion on the changing nature of manufacturing as a result of DM, from the traditional centralised, large-scale, long lead-time forecast-driven production operations to a new DM paradigm where manufacturing is a decentralised, autonomous near end user-driven activity. A forward research agenda is proposed that considers the impact of DM on the industrial and urban landscape.


International Journal of Production Research | 2016

How will smart city production systems transform supply chain design: a product-level investigation

Mukesh Kumar; Gary Graham; Patrick Hennelly; Jagjit Singh Srai

This paper is a first step to understand the role that a smart city with a distributed production system could have in changing the nature and form of supply chain design. Since the end of the Second World War, most supply chain systems for manufactured products have been based on ‘scale economies’ and ‘bigness’; in our paper we challenge this traditional view. Our fundamental research question is: how could a smart city production system change supply chain design? In answering this question, we develop an integrative framework for understanding the interplay between smart city technological initiatives (big data analytics, the industrial Internet of things) and distributed manufacturing on supply chain design. This framework illustrates synergies between manufacturing and integrative technologies within the smart city context and links with supply chain design. Considering that smart cities are based on the collaboration between firms, end-users and local stakeholders, we advance the present knowledge on production systems through case-study findings at the product level. In the conclusion, we stress there is a need for future research to empirically develop our work further and measure (beyond the product level) the extent to which new production technologies such as distributed manufacturing are indeed democratising supply chain design and transforming manufacturing from ‘global production’ to a future ‘city-oriented’ social materiality.


International Journal of Operations & Production Management | 2016

Supply chain evolution – theory, concepts and science

Bart L. MacCarthy; Constantin Blome; Jan Olhager; Jagjit Singh Srai; Xiande Zhao

Purpose Supply chains evolve and change in size, shape and configuration, and in how they are coordinated, controlled and managed. Some supply chains are mature and relatively unchanging. Some are subject to significant change. New supply chains may emerge and evolve for a variety of reasons. The purpose of this paper is to examine the nature of supply chain evolution and address the question “What makes a supply chain like it is?” Design/methodology/approach The paper analyses and develops key aspects, concepts and principal themes concerning the emergence and evolution of supply chains over their lifecycle. Findings The paper defines the supply chain lifecycle and identifies six factors that interact and may affect a supply chain over its lifecycle – technology and innovation, economics, markets and competition, policy and regulation, procurement and sourcing, supply chain strategies and re-engineering. A number of emergent themes and propositions on factors affecting a supply chain’s characteristics over its lifecycle are presented. The paper argues that a new science is needed to investigate and understand the supply chain lifecycle. Practical implications Supply chains are critical for the world economy and essential for modern life. Understanding the supply chain lifecycle and how supply chains evolve provides new perspectives for contemporary supply chain design and management. Originality/value The paper presents detailed analysis, critique and reflections from leading researchers on emerging, evolving and mature supply chains.


Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture | 2013

Understanding sustainable supply network capabilities of multinationals: A capability maturity model approach

Jagjit Singh Srai; Leila Alinaghian; David Allan Kirkwood

The design of global supply networks has evolved from traditional lowest landed cost analysis to include more strategic concepts such as how particular network configurations might support strategic and operational capabilities. An established approach to assessing operational capabilities is the maturity model methodology where the emphasis is on notions of evolution and levels of process formality. More recently, there has been a growing emphasis on sustainable supply networks, driving industrial practitioners to also address energy and resource efficiencies and waste minimisation. However, quantitative measurement approaches such as carbon footprinting beyond the firm boundary are complex and resource intensive and present significant validation challenges. This article proposes a process maturity model-based alternative to supply network carbon measurement approaches, namely, the systematic review of organisational routines and practices relevant to sustainable manufacturing. Furthermore, the incorporation of sustainability dimensions within an established supply chain maturity model architecture provides a basis for potential trade-offs. Application of the maturity model framework in 12 case studies of international manufacturing multinationals is presented, demonstrating feasibility and utility of the approach and identifying potential drivers for manufacturing sustainability linked to the industrial supply network position, including the regulatory context, and consumer sentiment.


International Journal of Production Research | 2016

Institutional and strategic operations perspectives on manufacturing reshoring

Jagjit Singh Srai; Camille Ané

This research examines manufacturing reshoring from institutional, strategic and operations management perspectives. The multi-disciplinary approach is motivated by the active involvement of institutions in promoting reshoring activity, suggesting institutional factors can be significant in combination with the more traditional drivers of location decision considered in strategic and operations management. The synthesis of several literature domains enables a broader conceptualisation of the dynamics of reshoring. Anecdotal evidence of reshoring activity within industry has not been well evidenced in the extant literature. In this study, we consider emerging data-sets from the UK and France as they represent major developed-world manufacturing nations that have witnessed significant offshoring in recent decades, and where reshoring is now being actively promoted.


Production Planning & Control | 2016

Identifying design criteria for urban system ‘last-mile’ solutions – a multi-stakeholder perspective

Tomás Seosamh Harrington; Jagjit Singh Srai; Mukesh Kumar; Josef Wohlrab

Abstract This study presents a novel approach to design and evaluate ‘last-mile’ solutions – encompassing the social and economic perspectives of key stakeholders. While urban system initiatives have been implemented in practice, theoretical gaps remain at the operational design level. A theoretical framework is developed, based on design criteria identified from a critical synthesis of supply chain and operations management literature, and ‘operationalised’ using an in-depth case study demonstrating implementation of a Consumer Choice Portal-Package Consolidation Centre solution, within a densely populated urban geography. Findings suggest that there is a need to re-define the role of institutional actors beyond that of the traditional governance task, to one of being able to facilitate performance outcomes. Similarly, industrial efficiency dimensions need to be reorientated to include consumer participation, social considerations and multi-stakeholder service outcomes. Finally, implications for operations theory and practising managers in city logistics are highlighted, with suggested directions for future research.


International Journal of Manufacturing Research | 2011

Supply network integration in multi-organisational network systems

Jagjit Singh Srai

This paper explores supply network integration in complex product service systems involving close collaboration between primes. Four case study networks are studied (aerospace, naval, power and telecoms), each involving equipment manufacture and service provision. Factors that support network integration, identified from the literature and refined in the in-depth pilot case, were used to explore which processes support integration of the extended enterprise. Results suggests that a select set of processes support integration of the extended enterprise and that the absence of a shared view on these critical enabling processes results from contextual complexity of the network rather than from competing commercial interests. [Received 21 October 2009; Revised 21 April 2010; Accepted 22 April 2010]

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Mukesh Kumar

University of Cambridge

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Mj Gregory

University of Cambridge

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Y Shi

University of Cambridge

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