Kris Kuzniewski, Ph.D.

Director, U.S. AI Data Center Sales @ SINEXCEL

About

I work at the intersection of AI data center power infrastructure and large-scale development.My background is in the power architecture decisions that determine whether a data center can actually perform at AI scale. I work with hyperscalers, colocation providers, GPU cloud companies, data center developers, and EPCs on the infrastructure choices that most teams get wrong early and pay for later. Increasingly that work starts before the facility exists: siting and power strategy, where speed to power is the binding constraint and firm, 24/7 carbon-free baseload delivered behind the meter is becoming the defining advantage for AI campuses.As Director of U.S. AI Data Center Sales at Sinexcel, I focus on medium voltage power architecture, including medium voltage uninterruptible power supply (MV UPS), supercapacitor-based buffer units (CBU) for fast GPU load stabilization, BESS, power quality solutions (AHF, SVG), and 800V DC architectures for next-generation data centers.We are seeing a clear shift toward medium voltage architectures in AI-scale data centers, driven by the need for higher efficiency, simpler electrical design, and better scalability. I help partners and customers address the challenges of higher density, more dynamic AI workloads with infrastructure designed for scalability, efficiency, and reliability.Sinexcel is a global leader in power electronics, with over 3,500 employees, 700+ data center power projects, and deployments across 60+ countries, delivering grid-to-server power solutions for hyperscale, colocation, and critical infrastructure environments.15 years in enterprise technology and data center infrastructure. Based in the U.S.Areas of focus:AI data centers | data center development | speed to power | 24/7 carbon-free energy | behind-the-meter power | firm baseload | MV UPS | medium voltage | critical power | supercapacitors | CBU | BESS | 800V DC | power quality | power electronics | AHF | SVG | hyperscale | colocation | EPC | GPU cloud

Country

United States

City

Irvine

Industry

Computer Software

Skill

Key Account Management, Cloud-Native Architecture, Cloud Security, Compliance Management, Data Security, CCSP, Consulting, Salesforce.com, Infrastructure Security, Account Management, Business Relationship Management, Cloud Administration, Value Selling, Test Preparation, C-Suite Selling, LinkedIn Sales Navigator, Business Intelligence (BI), Sales Management, Data Analytics, Data Centers

Experience

Director, U.S. AI Data Center Sales

SINEXCEL

2026-3 - Present · 7 mos

Irvine, CA

Leading U.S. growth and strategic partnerships for AI data center power infrastructure, with a focus on medium-voltage architecture for next-generation AI deployments. Sinexcel is a global leader in power electronics, with 700+ data center power projects and deployments across 60+ countries, supporting hyperscale, colocation, and critical infrastructure environments worldwide. • Driving adoption of medium-voltage power architecture (MV UPS) for AI-scale data centers, where traditional low-voltage designs no longer scale efficiently • Working directly with hyperscalers, GPU cloud providers, colocation operators, developers, and EPCs on large-scale AI infrastructure projects • Supporting design and decision-making around high-density, GPU-driven workloads, including power scalability, redundancy, and efficiency • Collaborating with engineering and product teams on complex, multi-megawatt deployments and solution architecture • Contributing to U.S. strategy across critical power, BESS, supercapacitor-based buffering (CBU), power quality (AHF, SVG), and AC and DC architectures • Developing partnerships across the power and data center ecosystem, including OEMs and key infrastructure stakeholders

Account Manager

CoreSite

2022-9 - 2026-3 · 3 yrs 7 mos

Los Angeles Metropolitan Area

• Manage a portfolio of enterprise customers, supporting long-term relationships and infrastructure growth • Develop and execute strategic account plans to align customer infrastructure needs with colocation, interconnection, and hybrid cloud solutions • Lead complex solution development, technical requirements discussions, and commercial negotiations for enterprise infrastructure deployments • Partner with Sales Engineers and Solution Architects to design tailored data center and connectivity solutions • Conduct regular business reviews and strategic planning with customers to support long-term account development

Key Account Manager

RC Cloud Sp. z o.o.

2016-1 - 2022-8 · 6 yrs 8 mos

• Managed strategic enterprise accounts, maintaining long-term customer relationships and supporting account growth • Led account strategy, forecasting, and pipeline development, securing complex cloud and infrastructure agreements • Built and maintained international sales partnerships across technology and infrastructure providers • Delivered tailored technical solutions aligned with customer requirements and long-term infrastructure planning

Account Executive

Cheepro

2010-8 - 2015-12 · 5 yrs 5 mos

• Managed enterprise sales opportunities from initial engagement through negotiation and contract close • Developed territory plans and supported account strategy to expand the customer base • Built long-term relationships with enterprise clients and supported market expansion efforts