2023 CUGC Women in Technology Mentors

Esther Barthel
Esther Barthel

Founding Member

Solutions Architect, cognition IT; Citrix Technology Professional (CTP)

With a MS in Computer Science, Esther is a passionate technology professional, and especially loves to design new VDI infrastructures based on the Citrix product portfolio, and automate the implementation and administration tasks with PowerShell scripts. Esther is also a CTP and very active in the CUGC community as a forum moderator and a member of the Content Working Group.

Jane  Cassel
Jane Cassell

Senior Technical Consultant, Avanade; Citrix Technology Advocate (CTA)

Jane has over 25 years of IT experience, and is a Senior End User Computing, Mobile & Virtualization Specialist/Architect. She was also recently featured as the CUGC November Member of the Month.

Gaby Grau
Gaby Grau

Portfolio Specialist EUC, Nutanix

Gaby started her 20+ years long IT career as Customer Engineer at EMC and NetApp, before moving into the virtualization space as Senior Consultant and later Senior Systems Engineer at Citrix, where she focused on the Hypervisor technologies. In 2019 Gaby started at Nutanix as Solution Architect at Nutanix, where she supports Sales and Channel partners with EUC deals.


                        Cathleen Leik
Cathleen Leik

Senior Systems Engineer, Tad Rogers Consulting

Cathy has been working in IT since the late 80s, starting with the American Heart Association in Phoenix, Arizona. She got involved with Citrix in 1996 when the pharmaceutical company she worked for implemented it for remote access, and fell in love with WinFrame! She currently works for a small IT consulting firm in West Michigan that utilizes VMWare and Microsoft products in addition to Citrix.

Heather Meyer
Heather Meyer

Consultant, Aspen Systems & Associates

Heather has spent 20 years as a System Engineer and Consultant, building and supporting networks of various sizes. She works with Citrix, Windows, and VMware infrastructures. Her technical expertise is mostly in healthcare and cloud services, working with small to medium businesses.

Theresa Miller
Theresa Miller

Founding Member

Founder 24x7 IT Connection, LLC; Citrix Technology Professional (CTP)

The Founder of 24x7 IT Connection, with over 20 years of hands-on technical experience specializing in virtualization, messaging and collaboration. In addition to earning a MBA, Theresa is industry-recognized as a Citrix CTP, VMWare vExpert, and a Microsoft MVP. She feels truly honoured to be part of this mentoring program and is looking forward to working with her mentees!

Jim Moyle
Jim Moyle

Windows Virtual Desktop GBB, Microsoft; UK CUGC Steering Committee; Citrix Technology Professional (CTP)

Jim has been an infrastructure technologist with over two decades of passionate involvement in the IT industry. Over the last decade he has been a specialist in the Server Based Computing, application and desktop delivery sector. He has worked with many blue chip companies around the UK, including being involved in the architecture and delivery of some of the largest Citrix deployments in Europe. As the Chief Technical Evangelist for FSLogix (now with Microsoft) he is responsible for the design and execution of many world class projects.

Mike Nelson
Mike Nelson

Solutions Architect; CUGC Content Working Group; Citrix Technology Advocate (CTA)

Mike's career in information technology spans more than three decades, involving a vast array of technologies and solutions. He has held roles in corporate management, architecture, and engineering to industry consulting which has provided him with a wide range of hands-on experience and solutions. He has been honored to receive the Microsoft MVP award, as well as being placed as a Microsoft Azure Advisor. He is also a Citrix Technology Advocate (CTA), and a VMware vExpert. Mike currently leads several user groups, including a Cloud user group and a VMware User Group (VMUG). Personally, Mike loves to mentor people interested in technology, and give presentations around the knowledge that he has and wants to share. He is always striving to learn more everyday.

Tiffanny Renrick
Tiffanny Renrick

Columbia CUGC Leader

With over 15 years of IT experience, Tiffanny Renrick has made it her mission to bring forth the change that she wants to see everywhere she goes. Tiffanny has worn many hats in many different industries. From HealthCare to Service Provider, she has enjoyed challenging herself with new technologies such as Citrix Virtual Apps and Desktops, Cisco UCS, Nutanix, Secure Thin Clients, Citrix ADC, Cloud computing, and SolidFire to name a few. Tiffanny is the current leader of CUGC Columbia. From her working knowledge of Citrix technologies, she has been nicknamed the "Citrix Goddess". Tiffanny has learned to build the bridge between many different components to increase efficiency, improve performance, and broaden the scope to provide the best solutions.

Jenny Sheerin
Jen Sheerin

Senior Azure Infrastructure Fast Track Engineer, Microsoft; Citrix Technology Professional (CTP)

Jen is an EUC specialist with experience in traditional, cloud, and hybrid environments. Her areas of expertise are in Microsoft Azure Virtual Desktop, Citrix Digital Workspace, and Citrix Networking. She is passionate about technology, learning, and sharing with the community. 

Neil Spellings
Neil Spellings

Enterprise & EUC Infrastructure Architect and Owner, XenCentric; CUGC Steering Committee; UK CUGC Steering Committee; Citrix Technology Professional (CTP)

Neil is a VDI, virtualisation & server-based computing consultant with over 20 years experience in the industry. He’s worked with Citrix products since the early days of Winframe and Metaframe and was instrumental in the initial deployments of these server-based computing technologies into a number of large financial institutions and the continued development and expansion of those into the enterprise environment. Neil was awarded CTP in 2013.

Sarah Vogt
Sarah Vogt

Citrix Infrastructure Engineer, Greenberg Traurig; President CUGC Steering Committee; Orlando CUGC Leade

Sarah began with Citrix WinFrame 1.7 for basic remote access, which led to consolidating Greenberg Traurig's massive law library CD towers and is now used for everything from remote access, to application consolidation, to centralized virtual desktops both for dedicated road warriors as well as pools for billing tasks. She also works with Netscaler for two factor authentication as the firm is accessible 24/7/365. Sarah joined the CUGC Steering Committee in 2017 and is a proud leader of the Orlando CUGC.

2023 CUGC Women In Tech Sponsors: